Comprehensive Description
provided by North American Flora
Cymopterus jonesii Coult. & Rose, Rev. N. Am Umbell. 80. 1888.
Aulospermum Jonesii Coult. & Rose, Contr. U. S. Nat. Herb. 7: 178. 1900. Coriophyllus Jonesii Rydb. Bull. Torrey Club 40: 70. 1913.
Plants acaulescent or rarely subcaulescent with the development of a short pseudoscape, 10-30 cm. high, glabrous; leaves ovate-oblong in general outline, excluding the petioles 2-7 cm. long, 1.5-5 cm. broad, ternate-pinnate or ternate-bipinnate, glaucous, the leaflets entire or pinnately lobed, the lobes triangular, acute, mucronulate, 1-5 mm. long, 1-2 mm. broad, distinct to slightly confluent; petioles 2.5-10 cm. long; peduncles exceeding the leaves, 3-17 cm. long; involucre wanting; involucel dimidiate, of several triangular to linear, acuminate bractlets, about equaling the flowers; rays several, spreading, 8-35 mm. long; flowers purple; fruit broadly ovoid, 7-12 mm. long, 10-14 mm. broad, the wings conspicuously inflated at the base, several times as wide as the body; dorsal wings 3, similar to the lateral; oil-tubes solitary in the intervals, 2 on the commissure; seed-face deeply concave.
Type locality: Frisco, Utah, 8000 feet, M. E. Jones 1808. Distribution: Southwestern Utah and adjacent Nevada (Parry 80).
- 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