Comprehensive Description
provided by North American Flora
Petalostemon albidus (T. & G.) Small, Fl. SE. U. S 630. 1903.
Petalostemon carneus Ell. Bot. S. C. & Ga. 2: 176. 1824. Not P. carneus Michx. 1803. Petalostemon carneus albidus T. & G. Fl. N. Am. 1:311. 1838.
A perennial, somewhat woody and branched at the base; stems erect or ascending, 5-10 dm. high, slender, glabrous, terete, more or less branched, leaves numerous, 2-5 cm. long, glabrous, usually with short branches of clustered smaller leaves in their axils; stipules subulate; leaflets 5-7, linear-oblong to linear-oblanceolate, 4—12 mm. long, acute, often involute, glabrous; spikes terminating slender branches, cylindric or oblong, in fruit 8-10 mm. thick, 1-2.5 cm, long, bracts narrowly lanceolate, caudate-acuminate, glabrous, slightly exceeding the bud and about equaling the mature calyces, persistent or tardily deciduous, glabrous; bristles 1.5 mm. long; calyx glabrous, about 3 mm. long; tube obtusely angled, 10-nerved; lobes triangular-lanceolate, nearly 1 mm. long; corolla white; blade of the banner oval or elliptic-obovate, retuse at the apex, cuneate or abruptly contracted at the base, 2-2.5 mm. long, about 1.75 mm. wide, equaling the claw; blades of the other petals elliptic, 2.5-3 mm. long, 1.25 mm. wide, the claws 1.5 mm. long; pod obliquely obovoid, 2.5 mm. long, sparingly pilose above, the beak at right angles to the axis.
Type locality: Near Milledgeville, Georgia. Distribution: Georgia and Florida.
- bibliographic citation
- Per Axel Rydberg. 1919. (ROSALES); FABACEAE; PSORALEAE. North American flora. vol 24(1). New York Botanical Garden, New York, NY