Senna oxyphylla var. hartwegii

Title

Senna oxyphylla var. hartwegii

Author(s)

Howard S. Irwin, Rupert C. Barneby

Scientific Name

Senna oxyphylla var. hartwegii (Benth.) H.S.Irwin & Barneby

Description

10b. Senna oxyphylla (Kunth) var. hartwegii (Bentham) Irwin & Barneby, stat. nov. C. hartwegii Bentham, Pl. Hartw. 117. 1843 ("Hartwegi").— "[Hartweg] 652 . . . Prope Guayaquil."—Holotypus, collected in fl in IV, K (hb. Benth.)! = NY Neg. 1559.—Chamaefistula hartwegii (Bentham) Killip ex Little, Caribbean Forester 9(3): 243. 1948.

Hornotinous branchlets densely and foliage more thinly pilosulous with spreading hairs 0.2-0.4 mm; petioles 2.5-5.5 cm; long petals 10-16 mm; otherwise as given in key to varieties.—Collections: 17.

Forest margins and thickets successor to forest-clearing, 10-700 m, locally plentiful on the coastal plain and first foothills of the Andes around the Gulf of Guayaquil in Los Rios, Guayas and El Oro, and Bahia de Caraquez in Manabi, Ecuador.—Fl. IV-VIII.