Comprehensive Description
provided by North American Flora
Acanthambrosia bryantii (Curran) Rydberg
Franseria Bryantii Curran, Proc. Calif. Acad. II. 1: 232. 1888.
A low shrub, with gray or straw-colored bark, divaricately branched ; leaves ovate in outline, sparingly strigose, 2-3 cm. long; segments linear or oblong, more or less revolute-margined; staminate heads subsessile; involucre campanulate, glandular-granuliferous, hispidulous-ciliate, 2 mm. wide, 3.5 mm. deep, irregularly lobed; lobes broadly triangular; pistillate heads solitary, subsessile; body of the fruit 5-6 mm. long; beak solitary, subulate, 3 mm. long; spines terete, subulate, 15-30 mm. long, in age white.
Type locality: Magdalena Bay, Lower California. Distribution: Lower California.
- bibliographic citation
- Per Axel, Rydberg. 1922. CARDUALES; AMBROSIACEAE, CARDUACEAE. North American flora. vol 33(1). New York Botanical Garden, New York, NY
