Comprehensive Description
provided by North American Flora
Lomatium engelmannii Mathias, Ann. Mo. Bot. Gard. 25: 268. 1937.
Plants acaulescent, 1-3 dm. high, from a long slender taproot, pubescent to glabrate; leaves oblong to ovate in general outline, excluding the petioles 2.5-15 cm. long, ternate or quinate, then 1-2-pinnate, the ultimate divisions confluent or distinct, ovate-oblong to linearlanceolate, 1-15 mm. long, 0.5-2 mm. broad, apiculate; petioles 2-10 cm. long, wholly sheathing, purplish; peduncles exceeding the leaves; involucel usually wanting; rays 2-12 (the fertile 1-4), spreading or ascending, 1-10 cm. long, unequal; pedicels 2-12 mm. long, the umbellets few-flowered; flowers yellow; fruit ovate-oblong, 9-14 mm. long, 2-5 mm. broad, glabrous, the wings one-half the width of the body, the dorsal ribs filiform; oil-tubes 1 or 2 in the intervals, 2-6 on the commissure.
Type locality: Scott's Mountain, Siskiyou County, northern California, 6000-7000 feet, Engehnann.
Distribution: High mountains, southwestern Oregon and northwestern California {Heller 13,676, Howell 13,656).
- bibliographic citation
- Albert Charles Smith, Mildred Esther Mathias, Lincoln Constance, Harold William Rickett. 1944-1945. UMBELLALES and CORNALES. North American flora. vol 28B. New York Botanical Garden, New York, NY
