Stems usually 0.4-0.6 m [as '1.25-2 ft.'] high, rarely up to 1.1 m [as '3.5 ft.'] high, 0.7-2.1 mm [as '0.33-1 lin.'] thick at the base, usually simple, glabrous; leaves ascending or spreading, 32-127 mm [as '1.25-5 in.'] long, 0.5-2.1 mm [as '0.25-1 lin.'] broad, linear, acute, apparently folded lengthwise, glabrous, minutely and sparsely ciliate and denticulate on the margins; umbels 2-6 to a stem, racemose, pedunculate, 2-7-flowered; peduncles 6-25 mm [as '0.25-1 in.'] long, rarely longer, slender, glabrous; bracts 1.1-4.2 mm [as '0.5-2 lin.'] long, subulate or lanceolate, acuminate, ciliate; pedicels 4.2-9.5 mm [as '2-4.5 lin.'] long, glabrous; sepals 2.1-3.5 mm [as '1-1.67 lin.'] long, 1.1-1.4 mm [as '0.5-0.67 lin.'] broad, ovate-lanceolate, convolute-acuminate at the apical half, glabrous, not ciliate; corolla glabrous outside, not bearded at the mouth, but furnished with 5 tufts of deflexed hairs at the top of the tube just below the lobes inside, otherwise glabrous; tube 1.6-2.1 mm [as '0.75-1 lin.'] long, 3.2-3.7 mm [as '1.5-1.75 lin.'] in diam., broadly campanulate or cup-shaped, slightly contracted at the mouth, 5-concave inside; lobes 2.6-3.5 mm [as '1.25-1.67 lin.'] long, 1.4-2.1 mm [as '0.67-1 lin.'] broad, ascending-spreading, oblong or ovate-oblong, acute or subobtuse; corona-lobes erect, not exceeding or shorter than the anthers, 1.1-1.4 mm [as '0.5-0.67 lin.'] long, broadly ovate or deltoid-ovate, obtuse or acute, with slightly reflexed sides and rounded basal angles; staminal column 1.6-2.1 mm [as '0.75-1 lin.'] long; anthers oblong, obtuse or with an obtuse apiculus, not ciliate; follicles 6-7 mm [as '2.75-3.5 lin.'] long, 4.2 mm [as '2 lin.'] thick, terete-fusiform, tapering into a long acute beak, smooth, glabrous.
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Perennial, geophytic herb, stems usually unbranched, 180-610(-990) mm high. Leaves linear, 30-130 x 0.5-2.1 mm, glabrous, apex acute, margins sparsely ciliate, somewhat folded lengthwise. Inflorescences 2-7-flowered umbels; peduncles 6-25 mm long. Flowers broadly campanulate; tube 1.5-2.1 x 3.0-3.7 mm, slightly constricted at mouth, lower surface glabrous, upper with 5 tufts of deflexed hairs just below mouth; lobes oblong or ovate-oblong, 2.5-3.5 x 1.3-2.1 mm, lower surface glabrous. Corona: lobes broadly ovate with slightly reflexed sides, shorter than anthers. Anthers oblong, glabrous. Flowering time Nov.-Jan. Follicles terete-fusiform, 70-90 x 5 mm, glabrous.
Perennial herb, 380-990 mm high, with fusiform roots. Stems usually unbranched, glabrous. Leaves with blade linear, 30-130 x 0.5-2.5 mm, folded lengthwise. Flowers: inflorescences 2-6 per stem, 2-7-flowered; corona lobes shorter than or not exceeding anthers; corolla broadly campanulate to cup-shaped, lobes glabrous inside, tube with 5 small tufts of deflexed hairs in throat, slightly contracted in throat, yellow or greenish; Oct.-Dec. Fruit a follicle.
Herb, 380-500 mm tall. Umbels racemose. Corolla lobes glabrous inside, tube with only 5 small tufts of deflexed hairs in throat. Corona lobes shorter than or not exceeding anthers. Flowers yellow or greenish.