Chamaecrista gordon-grayei subsp. gordon-grayei, Musandiwa & Boatwr., 2022

Musandiwa, Liada, Magee, Anthony R. & Boatwright, James S., 2022, A Taxonomic Revision of Chamaecrista (Caesalpinioideae, Cassieae, Cassiinae) in Southern Africa, Systematic Botany (Basel, Switzerland) 47 (4), pp. 992-1011 : 1005

7a. CHAMAECRISTA GORDON-GRAYEI subsp. GORDON-GRAYEI .

Pedicels when flowering 7–10 mm long, at fruiting 10–15 mm long.

Diagnostic Characters — Chamaecrista gordon-grayei subsp. gordon -grayei is recognised for its short pedicels (7–10 mm long).

Distribution and Ecology — Chamaecrista gordon-grayei subsp. gordon-grayei is known from northern regions of Namibia from Tarikora to Andara, extending beyond the region to Harare in Zimbabwe ( Fig. 11 ). Occurs in woodlands, on sandy soil at elevations below 1000 m. Flowering from January–February.

Additional Specimens Examined — Namibia. —1820 (Tarikora): Kavango, Bogani old point in the shallow water of the Okavango River (–BB), 25 Apr 1977, Muller and Giess 544 ( WIND) . 1823 (Siambisso): Balelwa banks of Channel (–AB), 21 Feb 1988, Maggs 665 ( WIND) .

Zimbabwe. —1731 (Harare): Harare (–AB), without date, A student s.n. ( NU) .

Figures

FIG. 11. Known distribution of Chamaecrista gordon-grayei subsp. gordongrayei (-) and Chamaecrista gordon-grayei subsp. longipedicellata (O) in southern Africa.