Comprehensive Description
provided by North American Flora
Elaphrium pilosum (Engler) Rose
Bursera grazvolens pilosa Engler, in DC. Monog. Phan. 4: 49. 1883. Terebinthus pilosa Rose, Contr. U. S. Nat. Herb. 12: 279. 1909.
A small tree ; young branches nearly or quite glabrous ; leaves pinnate, usually clustered with the inflorescence at the ends of short branches ; rachis more or less winged ; leaflets 7-15, lanceolate, acuminate, 4-8 cm. long, glabrous on both surfaces, or sometimes pilose on the under surface along the midrib, the margin strongly toothed ; inflorescence an open panicle ; calyx-lobes narrowly ovate, acute, hairy ; petals twice as long as the sepals, hairy ; ovary and fruit glabrous, the latter 10-12 mm. long.
Type locality: Colitna.
Distribution : Southern Chihuahua and Sinaloa to Colima.
- bibliographic citation
- John Kunkel Small, Lenda Tracy Hanks, Nathaniel Lord Britton. 1907. GERANIALES, GERANIACEAE, OXALIDACEAE, LINACEAE, ERYTHROXYLACEAE. North American flora. vol 25(1). New York Botanical Garden, New York, NY
