Comprehensive Description
(
Inglês
)
fornecido por North American Flora
Leucactinia bracteata (S. Wats.) Rydberg
Pedis bracteata S. Wats. Proc. Am. Acad. 25: 155. 1890.
A perennial, with a slender branching caudex; stems glabrous, angled, 2-3 dm. high, densely leafy towards the base, scapiform above; leaves filiform or nearly so, 2-6 cm. long, subulatetipped, the upper reduced and bract-like; involucre 7-8 mm. high, nearly 1 cm. broad; ligules about 8 mm. long, 3-4 mm. wide, white, darkveined in age; disk-flowers 50-65; corollas 6 mm. long; achenes 4.5-5 mm. long, glabrous; pappus-bristles slightly dilated and linear-subulate below, 4.5-5 mm. long.
Type locality: Carneros Pass, Coahuila. Distribution: Known only from type locality.
- citação bibliográfica
- Per Axel Rydberg. 1915. (CARDUALES); CARDUACEAE; HELENIEAE, TAGETEAE. North American flora. vol 34(2). New York Botanical Garden, New York, NY
