Species
B. antsingyensis
Photos
4 photos
Identity
- Genus
- Begonia
- Name
- B. antsingyensis
- Author
- Humbert ex Keraudren-Aymonin & Bosser, Bull. Soc. Bot. France
- Publication Date
- 1973
- Habitat
- endemic. limestone plateau of Antsingy, near Antsalova, Rakoto Jean de Dieu, RN 107. Habitat: crevices or cornices of calcareous rocks at low altitude.
- Country
- Madagascar
- Region
- Africa
- Section
- Quadrilobaria
- Plant Type
- Rhizomatous
- Reference
- Bull. Soc. Bot. France 118:735, pl. 1:figs. 19–24, "1971". 1973.; JGSL9/08
- Article References
- Flore de Madagascar et des Comores; M. Keraudren-Aymonin & Aymonin G. 1983. — Begoniaceae. Muséum national d'Histoire naturelle, Paris, 123 p. vol. 144-145).
Plant
- Description
- Very small, delicate plant with globular tubercles 2-3 mm in diameter. Petiole thick 5-15 mm; leaf blade 5-7-palmatinerve orbicularis broadly oval 0.8-1.6 / 0.8-1.4 cm broadly cordate or truncate at base; denteous edges; wide teeth obtuse at the top; upper side of the limb with spiculiform hairs 1.5 mm long, inferior glabrous; finely marked ribs. Stipules tapered, subulate, 2 mm long. Bisexual inflorescence once or twice branched; peduncle 3-4 cm long, bearing at the top 2 acute lanceolate bracts at the top. MALE flowers with pedicel 2 mm long; 2 pale pink, oval tepals, 2.5 mm long and wide. Stamens 4-5, with threads welded in a column of 0.2 mm; obtuse oblong antheres at the apex and subsessile base. FEMALE flowers have 2 oval tepals similar to those of MALE flowers. Ovary oblong: styles 3, 2 mm, a little welded at the base, short bifid at the top; stigma thick arch, twisted inward at the tip. Small, suborbicular capsule 5 mm in diameter, pendulous, slightly compressed with unequal wings, fine, the widest 2 mm wide and well rounded; wings with transverse reticulum very fine. - PJ. 4 p. 23. TYPE: R 107 (holo- P).
Lineage
Parents
No parentage recorded.
Descendants
No recorded descendants.
Culture
No populated fields in this section.