Species
B. mangorensis var. mangorensis
Photos
2 photos
Identity
- Genus
- Begonia
- Name
- B. mangorensis var. mangorensis
- Form Variety
- var. mangorensis
- Author
- Humbert ex Keraudren-Aymonin & Bosser, Bull. Mus. Hist. Nat. (Paris) III.
- Publication Date
- 1972
- Habitat
- endemic. East: near the confluence of Onive and Mangoro, Perrier de la Bathie 17176. Habitat: rockeries in humid dense forest around 600-700 m altitude. · Fl. febr.
- Country
- Madagascar
- Region
- Africa
- Section
- Nerviplacentaria
- Plant Type
- Shrub-like
- Reference
- Bull. Mus. Hist. Nat. (Paris) III. 47:81. 1972.—M. Keraudren–Aymonin, Fl. Madagascar 144:89, pl. 28:figs. 7–10. 1983.; 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
- Plant with undeveloped stems sometimes rooting at nodes, 5 to 8 cm long, with short internodes, 1-4 cm long, hairs of brown hair, hirsute, 1-2 mm long; rhizome grele, 2-3 mm in diameter, creeping. Leaves 3 to 5 per foot, petiole 3-8 cm. hairs of brown, dense, unkempt hairs, Iong sde 1-3 mm: asymmetric lamina, 5-palmatinerve, dark green vein of red, ovate has suborbicular, acute or rounded at the apex, distinctly cord at base, appearing pelte, 3- 5.5 x 3.5-6 cm, both sides with spike-like hairs, denser and longer on the veins on the lower side; whole or very finely toothed or sinus edges; veins bifurcated towards the third or the half of the lamina, anastomosing in a rather dense tertiarary network, especially visible on the inferior face. Stipules lanceolate, long acuminate-acute, 8 mm long. Axillary inflorescences, 1-2 flowers; common peduncle grele, 5-10 cm long, branching 1.5-2 cm long; deciduous bracts; pedicel grele, 3-6 mm long. MALE flowers have 4 pale pink tepals, outer obovals, 6 x 4 mm, smaller and narrower internals. Stamens 12-15, filaments free, barely coherent at the base, slender, 2 mm long; oblong anthers, obtuse 1.5 mm long. FEMALE flowers have 6 tepals similar to those of flowers. Bony, oblong, 2.5-3 mm long, triaile, with a median vein only marked on both sides; styles 3, sod at the base, 2 mm long, bifid at the top; stigma in lyre, with twisted extremity. Capsule pendulous, oblong, 8 x 6 mm, without the wings these poorly developed, very slightly uneven, barely 1-2 mm wide, well rounded around the center. Seeds oblong or globose, about 0.3 mm long, with a reticle. - Pl. 28 p. 93.
Lineage
Parents
No parentage recorded.
Descendants
No recorded descendants.
Culture
No populated fields in this section.