Comprehensive Description
(
anglais
)
fourni par North American Flora
Pectis coulteri Harv. & Gray; A. Gray, Mem. Am. Acad. II 4: 62. 1849.
A slender annual, or perhaps sometimes perennial; stem diffusely branched, 1-2 dm. high, puberulent; leaves narrowly linear, 1-3 cm. long, 1-2 mm. wide, usually pectinately divided towards the base into 3-5 pairs of linear-subulate bristle-tipped lobes; glands usually in single marginal rows; heads in leafy cymes; peduncles 0.3-3.5 cm. long; involucre cylindroturbinate, 5-7 mm. high, 4-5 mm. broad; bracts 5, rarely 6, linear-oblong, ciliate; ray-flowers 5 or 6; ligules 5-7 mm. long, 2 mm. wide; disk-flowers 7-15; corollas 3 mm. long; achenes slender, 4-5 mm. long, strigose; pappus of the ray-flowers of 3-6, of the disk-flowers of 2-5, stout, subulate, spreading awns about 1.5 mm. long.
Type locality: "California' [probably on the Gila River, Arizona*]. Distribution: Arizona and Sonora.
- citation bibliographique
- Per Axel Rydberg. 1916. (CARDUALES); CARDUACEAE; TAGETEAE, ANTHEMIDEAE. North American flora. vol 34(3). New York Botanical Garden, New York, NY
Pectis coulteri: Brief Summary
(
vietnamien
)
fourni par wikipedia VI
Pectis coulteri là một loài thực vật có hoa trong họ Cúc. Loài này được Harv. & A.Gray mô tả khoa học đầu tiên năm 1849.
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