Lemurodendron

Taxonomy

Lemurodendron J.-F. Villiers & P. Guinet Bull. Mus. Natl. Hist. Nat., B, Adansonia 11: 3. 28 Jul 1989.

Subfamily: Mimosoideae.
Phylogenetic Number: 2.3.06.
Tribe: Mimoseae.
Group: Newtonia.
Species Studied - Species in Genus: 1 studied; 1 in genus.

Description

Fruit: A legume; unilocular; (8–)15–35 cm long; 2–2.5 cm wide; 0.2–0.3 cm thick (estimated); 2–9 times longer than wide, or more than 9 times longer than wide; with deciduous androecial sheath; with deciduous corolla; with deciduous calyx; without orifice formed by curving of fruit or fruit segments; straight; not plicate; not twisted; symmetrical; narrowly elliptic, or oblong; not inflated; without beak; short tapered at apex; aligned with longitudinal axis of fruit; tapered at base; aligned with longitudinal axis of fruit; with the apex and base uniform in texture; seed chambers externally visible; seed chambers with the raised seed chambers not torulose; margin not constricted; margin without sulcus; margin plain; wing(s) absent; substipitate, or nonstipitate; with the stipe up to 5 mm long; with all layers dehiscing; splitting along suture(s). Dehiscence of valves along both sutures; passive. Replum invisible. Epicarp monochrome; dark gray; with surface texture uniform; glabrous; eglandular (?); without spines; not smooth; with faintly elevated features; veined; obliquely veined relative to fruit length; not tuberculate; not exfoliating (Does this mean, "exocapium caducum"?); without embedded tissue, much thicker than epicarp, running from base to apex. Endocarp present; nonseptate; not exfoliating; entire. Seed(s) 10; length parallel with fruit length. Funiculus of 1 length only. Aril absent.

Seed: (30–)35–50 mm long; 16–24 mm wide; 1 mm thick (estimated); not overgrown; not angular; symmetrical; oblong; with surface smooth; without visible radicle and cotyledon lobes; without hilar sinus; without umbo on seed faces; without medial ridge on each face. Cuticle not exfoliating; not inflated; not wrinkled. Testa present; without pieces of adhering epicarp; not adhering to endocarp; free from endocarp; not modified by a bloom; colored; monochrome; brown; glabrous. Pleurogram absent. Pseudopleurogram absent. Rim absent. Wing(s) present; continuous around seed (1–10 mm wide). Raphe not visible. Hilum present; without faboid split. Radicle bulbose.

Distribution

Madagascar.

Old World; Madagascar.

Generic Notes

Data were extracted from Villiers and Guinet (1989).