Comprehensive Description
provided by North American Flora
Clomenocoma aurantia (L.) Cass. Diet. Sci. Nat. 9: 416. 1817
Aster aurantius L. Sp. PI. 877. 1753.
Dyssodia appendiculata Lag. Gen. & Sp. 29. 1816.
Inula aurantiaca Spreng. Syst. 3: 524. 1826.
Clappia aurantiaca Benth. in Hook. Ic. III. 2: 3. 1876.
Dyssodia aurantia B. L. Robinson, Proc. Am. Acad. 49: 507. 1913. A perennial herb; stem angled and striate, 5-12 dm. high or more, glabrous; leaves opposite, 3-5 cm. long, pinnate; leaflets 3-5, lanceolate, sharply serrate or incised, acuminate, 1-3 cm. long, glabrous; peduncles 5-15 cm. long; involucre 10-12 mm. high, 12-15 mm. broad, turbinate-campanulate; principal bracts about 20, linear, acute, with 1-3 oblong glands near the tip and with or without lateral narrowly linear ones further down; accessory bracts about half as long, linear-subulate, with a single large gland; ligules orange, about 1 cm. long; disk-corollas about 9 mm. long; lobes linear-lanceolate, 2 mm. long; achenes clavate, striate; squamellae 10-15, each dissected into 5-8 bristles.
Type locality: Vera Cruz.
Distribution: Vera Cruz.
- bibliographic citation
- Per Axel Rydberg. 1915. (CARDUALES); CARDUACEAE; HELENIEAE, TAGETEAE. North American flora. vol 34(2). New York Botanical Garden, New York, NY
