Cassia zygophylloides H.S.Irwin & Barneby var. zygophylloides

Authors

Howard S. Irwin, Rupert C. Barneby

Authority

Irwin, Howard S. & Barneby, Rupert C. 1978. Monographic studies in Cassia (Leguminosae, Caesalpinioideae). III. Sections Absus and Grimaldia. Mem. New York Bot. Gard. 30: 1-300.

Family

Caesalpiniaceae

Scientific Name

Cassia zygophylloides H.S.Irwin & Barneby var. zygophylloides

Type

Holotypus, †B = F. Neg. 1769! neoholotypus, former isotypus, P! = NY Neg. 6954; isotypus, K! = IPA Neg. 1186.

Synonyms

Cassia zygophylloides Taub.

Description

Species Description - Either villosulous throughout or the lfts glabrate except for a residual patch of hairs near pulvinule on lower face; lvs 3-6(-7.5) cm, the petiole 2-3.7 cm, the rachis 3-7(-10) mm, the lfts mostly obovate, exceptionally elliptic, 9-30(-33) x 5-16(-22) mm; racemes mostly far-exserted and 30-65-fld, the axis becoming (7-)10-20 cm, the unopened buds racemose; sepals varying from densely yellowish-pilosulous to thinly setulose, 5-6.5 mm; petals up to 9-12 mm; pod villosulous and setulose. - Collections: 7.

Discussion

Distribution

Cerrado, sometimes on outcrops, 850—1100 m, known in typical form and from well- documented collections only from n. Serra do Espinhaco in n. Minas Gerais, and from one somewhat atypical collection with elliptic leaflets from "Tamandua", n.-e. Bahia". — Fl. XII-III.

Brazil South America|