Subfamily: Caesalpinioideae.
Phylogenetic Number: 1.2.07.
Tribe: Cassieae.
Subtribe: Dialiinae.
Species Studied - Species in Genus: 1 studied; 1 in genus.
Fruit: A legume; unilocular; 6.5–7.5 cm long; 2.2–2.9 cm wide; 2–9 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, or asymmetrical; oblong; with 1 straight and 1 curved suture; widest at base; not inflated; flattened; with beak (1.5–2.5 mm long); straight; with solid beak the same color and texture as fruit; long 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 invisible; margin not constricted; margin without sulcus; margin embellished; margin with wing(s); wing(s) present; wing(s) 1; wing(s) curved and up to 2 mm wide; wing(s) sutural (ventral); wing(s) on 1 suture (ventral); nonstipitate; with all layers dehiscing; splitting along suture(s). Dehiscence of valves along 1 suture (dorsally); passive. Replum invisible. Epicarp dull; monochrome; reddish brown; with surface texture uniform; glabrous; eglandular; without spines; not smooth; with elevated features; veined; reticulately veined; not tuberculate; not exfoliating; without cracks. Seed(s) 1–2(–3). Funiculus 0.1–3 mm long; of 1 length only; filiform; straight. Aril absent.
Seed: 13 mm long; 11 mm wide; not overgrown; not angular; symmetrical; circular; flattened. Testa present; glabrous; smooth; coriaceous. Hilum present; larger than punctiform; 0.1–3 mm long; with curved outline; elliptic (assumed). Cotyledons not smooth; 1–3 grooves on each face.