INVESTIGADORES
AMELA GARCIA Maria Teresa
artículos
Título:
Microsporogenesis, microgametogenesis and pollen morphology of Passiflora spp. (Passifloraceae)
Autor/es:
AMELA GARCÍA, M. T., GALATI, B. B. & ANTON, A. M.
Revista:
BOTANICAL JOURNAL OF THE LINNEAN SOCIETY
Editorial:
Cardiff University
Referencias:
Lugar: Cardiff; Año: 2002 vol. 139 p. 383 - 394
ISSN:
0024-4074
Resumen:
Microsporogenesis, microgametogenesis and pollen morphology of six species of genus Passiflora L. belonging to
three subgenera (Passiflora, Dysosmia, Decaloba) were studied with light and scanning microscopy; P. caerulea was
also examined with transmission microscopy. The tapetum is secretory, microspore tetrads are tetrahedral and
pollen grains are two-celled when shed. Small Ubisch bodies are attached to a peritapetal membrane; they are a
product of tapetal activity and the rough endoplasmic reticulum (ERr) appears to be involved in their origin. The
pollen grains of all the species are subspheroidal, zonocolpate, geminicolpate. Each pair of colpi anastomoses at the
poles. The exine is semitectate, reticulate, heterobrochate. The muri are simplibaculate, wavy. The lumina have
clavate bacula of varying height. The colpus structure is similar to that of the lumina but generally with fewer and
smaller bacula. Lumina size and amount of bacula inside the lumina vary between subgenera. The grains from subgenera
also examined with transmission microscopy. The tapetum is secretory, microspore tetrads are tetrahedral and
pollen grains are two-celled when shed. Small Ubisch bodies are attached to a peritapetal membrane; they are a
product of tapetal activity and the rough endoplasmic reticulum (ERr) appears to be involved in their origin. The
pollen grains of all the species are subspheroidal, zonocolpate, geminicolpate. Each pair of colpi anastomoses at the
poles. The exine is semitectate, reticulate, heterobrochate. The muri are simplibaculate, wavy. The lumina have
clavate bacula of varying height. The colpus structure is similar to that of the lumina but generally with fewer and
smaller bacula. Lumina size and amount of bacula inside the lumina vary between subgenera. The grains from subgenera
also examined with transmission microscopy. The tapetum is secretory, microspore tetrads are tetrahedral and
pollen grains are two-celled when shed. Small Ubisch bodies are attached to a peritapetal membrane; they are a
product of tapetal activity and the rough endoplasmic reticulum (ERr) appears to be involved in their origin. The
pollen grains of all the species are subspheroidal, zonocolpate, geminicolpate. Each pair of colpi anastomoses at the
poles. The exine is semitectate, reticulate, heterobrochate. The muri are simplibaculate, wavy. The lumina have
clavate bacula of varying height. The colpus structure is similar to that of the lumina but generally with fewer and
smaller bacula. Lumina size and amount of bacula inside the lumina vary between subgenera. The grains from subgenera
three subgenera (Passiflora, Dysosmia, Decaloba) were studied with light and scanning microscopy; P. caerulea was
also examined with transmission microscopy. The tapetum is secretory, microspore tetrads are tetrahedral and
pollen grains are two-celled when shed. Small Ubisch bodies are attached to a peritapetal membrane; they are a
product of tapetal activity and the rough endoplasmic reticulum (ERr) appears to be involved in their origin. The
pollen grains of all the species are subspheroidal, zonocolpate, geminicolpate. Each pair of colpi anastomoses at the
poles. The exine is semitectate, reticulate, heterobrochate. The muri are simplibaculate, wavy. The lumina have
clavate bacula of varying height. The colpus structure is similar to that of the lumina but generally with fewer and
smaller bacula. Lumina size and amount of bacula inside the lumina vary between subgenera. The grains from subgenera
also examined with transmission microscopy. The tapetum is secretory, microspore tetrads are tetrahedral and
pollen grains are two-celled when shed. Small Ubisch bodies are attached to a peritapetal membrane; they are a
product of tapetal activity and the rough endoplasmic reticulum (ERr) appears to be involved in their origin. The
pollen grains of all the species are subspheroidal, zonocolpate, geminicolpate. Each pair of colpi anastomoses at the
poles. The exine is semitectate, reticulate, heterobrochate. The muri are simplibaculate, wavy. The lumina have
clavate bacula of varying height. The colpus structure is similar to that of the lumina but generally with fewer and
smaller bacula. Lumina size and amount of bacula inside the lumina vary between subgenera. The grains from subgenera
also examined with transmission microscopy. The tapetum is secretory, microspore tetrads are tetrahedral and
pollen grains are two-celled when shed. Small Ubisch bodies are attached to a peritapetal membrane; they are a
product of tapetal activity and the rough endoplasmic reticulum (ERr) appears to be involved in their origin. The
pollen grains of all the species are subspheroidal, zonocolpate, geminicolpate. Each pair of colpi anastomoses at the
poles. The exine is semitectate, reticulate, heterobrochate. The muri are simplibaculate, wavy. The lumina have
clavate bacula of varying height. The colpus structure is similar to that of the lumina but generally with fewer and
smaller bacula. Lumina size and amount of bacula inside the lumina vary between subgenera. The grains from subgenera
three subgenera (Passiflora, Dysosmia, Decaloba) were studied with light and scanning microscopy; P. caerulea was
also examined with transmission microscopy. The tapetum is secretory, microspore tetrads are tetrahedral and
pollen grains are two-celled when shed. Small Ubisch bodies are attached to a peritapetal membrane; they are a
product of tapetal activity and the rough endoplasmic reticulum (ERr) appears to be involved in their origin. The
pollen grains of all the species are subspheroidal, zonocolpate, geminicolpate. Each pair of colpi anastomoses at the
poles. The exine is semitectate, reticulate, heterobrochate. The muri are simplibaculate, wavy. The lumina have
clavate bacula of varying height. The colpus structure is similar to that of the lumina but generally with fewer and
smaller bacula. Lumina size and amount of bacula inside the lumina vary between subgenera. The grains from subgenera
also examined with transmission microscopy. The tapetum is secretory, microspore tetrads are tetrahedral and
pollen grains are two-celled when shed. Small Ubisch bodies are attached to a peritapetal membrane; they are a
product of tapetal activity and the rough endoplasmic reticulum (ERr) appears to be involved in their origin. The
pollen grains of all the species are subspheroidal, zonocolpate, geminicolpate. Each pair of colpi anastomoses at the
poles. The exine is semitectate, reticulate, heterobrochate. The muri are simplibaculate, wavy. The lumina have
clavate bacula of varying height. The colpus structure is similar to that of the lumina but generally with fewer and
smaller bacula. Lumina size and amount of bacula inside the lumina vary between subgenera. The grains from subgenera
also examined with transmission microscopy. The tapetum is secretory, microspore tetrads are tetrahedral and
pollen grains are two-celled when shed. Small Ubisch bodies are attached to a peritapetal membrane; they are a
product of tapetal activity and the rough endoplasmic reticulum (ERr) appears to be involved in their origin. The
pollen grains of all the species are subspheroidal, zonocolpate, geminicolpate. Each pair of colpi anastomoses at the
poles. The exine is semitectate, reticulate, heterobrochate. The muri are simplibaculate, wavy. The lumina have
clavate bacula of varying height. The colpus structure is similar to that of the lumina but generally with fewer and
smaller bacula. Lumina size and amount of bacula inside the lumina vary between subgenera. The grains from subgenera
Passiflora L. belonging to
three subgenera (Passiflora, Dysosmia, Decaloba) were studied with light and scanning microscopy; P. caerulea was
also examined with transmission microscopy. The tapetum is secretory, microspore tetrads are tetrahedral and
pollen grains are two-celled when shed. Small Ubisch bodies are attached to a peritapetal membrane; they are a
product of tapetal activity and the rough endoplasmic reticulum (ERr) appears to be involved in their origin. The
pollen grains of all the species are subspheroidal, zonocolpate, geminicolpate. Each pair of colpi anastomoses at the
poles. The exine is semitectate, reticulate, heterobrochate. The muri are simplibaculate, wavy. The lumina have
clavate bacula of varying height. The colpus structure is similar to that of the lumina but generally with fewer and
smaller bacula. Lumina size and amount of bacula inside the lumina vary between subgenera. The grains from subgenera
also examined with transmission microscopy. The tapetum is secretory, microspore tetrads are tetrahedral and
pollen grains are two-celled when shed. Small Ubisch bodies are attached to a peritapetal membrane; they are a
product of tapetal activity and the rough endoplasmic reticulum (ERr) appears to be involved in their origin. The
pollen grains of all the species are subspheroidal, zonocolpate, geminicolpate. Each pair of colpi anastomoses at the
poles. The exine is semitectate, reticulate, heterobrochate. The muri are simplibaculate, wavy. The lumina have
clavate bacula of varying height. The colpus structure is similar to that of the lumina but generally with fewer and
smaller bacula. Lumina size and amount of bacula inside the lumina vary between subgenera. The grains from subgenera
also examined with transmission microscopy. The tapetum is secretory, microspore tetrads are tetrahedral and
pollen grains are two-celled when shed. Small Ubisch bodies are attached to a peritapetal membrane; they are a
product of tapetal activity and the rough endoplasmic reticulum (ERr) appears to be involved in their origin. The
pollen grains of all the species are subspheroidal, zonocolpate, geminicolpate. Each pair of colpi anastomoses at the
poles. The exine is semitectate, reticulate, heterobrochate. The muri are simplibaculate, wavy. The lumina have
clavate bacula of varying height. The colpus structure is similar to that of the lumina but generally with fewer and
smaller bacula. Lumina size and amount of bacula inside the lumina vary between subgenera. The grains from subgenera
Passiflora, Dysosmia, Decaloba) were studied with light and scanning microscopy; P. caerulea was
also examined with transmission microscopy. The tapetum is secretory, microspore tetrads are tetrahedral and
pollen grains are two-celled when shed. Small Ubisch bodies are attached to a peritapetal membrane; they are a
product of tapetal activity and the rough endoplasmic reticulum (ERr) appears to be involved in their origin. The
pollen grains of all the species are subspheroidal, zonocolpate, geminicolpate. Each pair of colpi anastomoses at the
poles. The exine is semitectate, reticulate, heterobrochate. The muri are simplibaculate, wavy. The lumina have
clavate bacula of varying height. The colpus structure is similar to that of the lumina but generally with fewer and
smaller bacula. Lumina size and amount of bacula inside the lumina vary between subgenera. The grains from subgenera
Passiflora and Dysosmia differ from those of Decaloba in their size and number of colpi. The pollen and
microsporangium morphology of the species of subgenera Passiflora and Dysosmia are more similar than those of
subgenus Decaloba. The results are discussed in relation to the current taxonomic classification.
subgenus Decaloba. The results are discussed in relation to the current taxonomic classification.
subgenus Decaloba. The results are discussed in relation to the current taxonomic classification.
microsporangium morphology of the species of subgenera Passiflora and Dysosmia are more similar than those of
subgenus Decaloba. The results are discussed in relation to the current taxonomic classification.
subgenus Decaloba. The results are discussed in relation to the current taxonomic classification.
subgenus Decaloba. The results are discussed in relation to the current taxonomic classification.
microsporangium morphology of the species of subgenera Passiflora and Dysosmia are more similar than those of
subgenus Decaloba. The results are discussed in relation to the current taxonomic classification.
subgenus Decaloba. The results are discussed in relation to the current taxonomic classification.
subgenus Decaloba. The results are discussed in relation to the current taxonomic classification.
and Dysosmia differ from those of Decaloba in their size and number of colpi. The pollen and
microsporangium morphology of the species of subgenera Passiflora and Dysosmia are more similar than those of
subgenus Decaloba. The results are discussed in relation to the current taxonomic classification.
subgenus Decaloba. The results are discussed in relation to the current taxonomic classification.
subgenus Decaloba. The results are discussed in relation to the current taxonomic classification.
Passiflora and Dysosmia are more similar than those of
subgenus Decaloba. The results are discussed in relation to the current taxonomic classification.Decaloba. The results are discussed in relation to the current taxonomic classification.