Galeana pratensis (Kunth) Rydb.

Galeana pratensis (H.B.K.) Rydberg
Unxia pratensis H. B. K. Nov. Gen. & Sp. 4: 279. 1820. Chlajnysperma pratense Less. Syn. Comp. 256. 1832. Villanova pratensis Benth. & Hook. Gen. PI. 2: 405. 1873.
A dichotomously branched annual; stem 2-3 dm. high, angular, glandular-pubescent;
leaves petioled, opposite; blades of the lower ones deltoid-ovate, truncate or cuneate at the
base, coarsely serrate, tripleribbed, glandular-pubescent and punctate, 2-3 cm. long; upper
leaves more oblong and less toothed; peduncles in the forks, about 1 cm. long; involucre
obovoid, 3 mm. high and nearly as broad; bracts 5, concave, oval, glandular-pubescent; ligules
less than 1 mm. long; achenes black, glabrate, slightly tuberculate when ripe, 3 mm. long;
wings of the marginal achenes at first light, turning dark, undulate, glabrous, rarely slightly
tubercled.
Type locality: Valladolid [Morelia], Michoacan.
Distribution: Southern Mexico to Costa Rica.

Galeana arenarioides (H. & A.) Rydberg
Chlamysperma arenarioides H. & A. Bot. Beech. Voy. 300. 1837.
A dwarf annual; stem 0.5-1.5 dm. high, glandular-pubescent, intricately branched;
leaves opposite, short-petioled or subsessile; blades rarely more than 1 cm. long, elliptic or oval,
mostly entire, glandular-puberulent; peduncles about 5 mm. long; involucre 2.5 mm. high,
2 mm. broad; bracts 5, oval, glandular-puberulent; ligules short; disk-corollas 4-toothed,
few, mostly staminate, with glandular-puberulent tube; achenes of the rays oval, not tubercu-
late, and margins of the wings scarcely undulate.
Type locality: Tepic, Mexico. Distribution: Tepic and Jalisco.

Galeana hastata Wave; Llave & Lex. Nov. Ve^. Descr. 1: 12
1824.
A dichotomously branched annual; stem about 3 dm. high, round-angled, glabrous below, glandular-hispidulous above; leaves petioled, opposite; blades lanceolate, hastately lobed or the upper entire, minutely puberulent and glandular-punctate, 1.5-2 cm. long; peduncles fully 1 cm. long; involucre 3 mm. high, 2.5 mm. broad; bracts oval, minutely hairy, concave; ligules less than 1 mm. long, deeply 3-toothed; corolla of the disk-flowers about 1 mm. long, 5-toothed; disk-achenes black, linear-cuneate, decidedly tuberculate, 2.5 mm. long; ray-achenes large, with wings as broad as the body, decidedly tuberculate and minutely hispidulous on the margins of the wings and the third angle.
Type locality: San Jose del Corral. Distribution: Vera Cruz to Chiapas.

Galeana pratensis là một loài thực vật có hoa trong họ Cúc. Loài này được (Kunth) Rydb. mô tả khoa học đầu tiên năm 1914.