Cassia cotinifolia var. glaberrima

Title

Cassia cotinifolia var. glaberrima

Authors

Howard S. Irwin, Rupert C. Barneby

Scientific Name

Cassia cotinifolia var. glaberrima Hoehne ex H.S.Irwin & Barneby

Description

115d. Cassia cotinifolia G. Don var. glaberrima Hoehne, var. nov., ab aliis speciei formis omnibus petiolis elongatis (3.5-7, nec 1.2-3.5 cm), foliolis rigidiuscule chartaceis nec coriaceis tenuiter penninerviis nec intricatim reticulatis, quoad inflorescentiam glabram tantum cum var. percoriacea comparanda. — BRAZIL. Goias, 49 km w. of Rio Verde on road to Caiaponha, 3.II.59 (fl, fr), Irwin 2562. — Holotypus, UB; isotypi, NY, R, UC.

Glabrous except for the setulose-villosulous ovary and pod; lfts broadly obovate to suborbicular, cuneately contracted at extreme base into the pulvinule, 5.5-8.5 x 5-7.5 cm, in texture stiffly chartaceous, penninerved, the secondary veins connected by faintly prominulous tertiary venules but the ultimate reticulation scarcely perceptible, the camptodrome intramarginal nerve extremely fine, distant 1-3 mm within the margin. — Collections: 5.

Campos cerrado and sujo or savanna, near 1000 m, along the Araguaia-Paraguay watershed in s.-centr. and s. Mato Grosso (Planalto do Mato Grosso; Serra de Maracaju) and immediately adjoining Goias (Serra de Caiapo). — Fl. VI-II, fr. VII onward.

The epithet is taken from Archer & Gehrt 169, identified (in herb.) by Hoehne as an undescribed variety.