Siphocampylus domingensis A. DC.

Siphocampylus domingensis A. DC. in DC. Prodr. 7: 397. 1839
Annual (?); stems herbaceous, erect, simple or with few ascending branches, up to about 5 mm. in diameter at base, green, or purplish at base, 50-70 cm. high or more, pubescent throughout with fine short whitish sharp hairs; cauline leaves 20 or fewer, spreading-ascending, thin-papery when dry, the blades lanceolate to elliptic or ovate, 1-3.5 cm. wide, 4-10 cm. long, often about 3 times as long as wide, the tip acute or short-acuminate, the base broadly acute or rounded, attenuate into a petiole about 1 cm. long or less, sparsely pubescent above, especially near base and margins, the lower surface pubescent, especially on the veins, the margins irregularly repand-dentate, the teeth usually dark-tipped, 6-13 per cm., often blunt, 1.5 mm. long or less; inflorescence a terminal raceme few-30 cm. long, not noticeably sectmd, closely 10-35flowered; pedicels spreading-ascending, somewhat curved at maturity, about 0.5 mm. in diameter, 7-16 mm. long in fruit, closely pubescent, each with a pair of filiform bracteoles 1-2 mm. long, at the middle of the pedicel or below; flower-bracts foliaceous but usually distinctly set off from the foliage leaves in size, the lowest elliptic or lanceolate, up to 1 cm. wide, the upper linear, 2-5 mm. wide, 10-20 mm. long; flower 2-3 cm. long, including hypanthium; corolla red, pubescent without, glabrous within except near base, the tube straight, 16-20 mm. long, fenestrate at base and with a short dorsal fissure near base, nearly cylindrical, slightly enlarged distally, the lobes linear or very narrowly triangular, acute, not or scarcely curved, 1.5-2 mm. wide at base, 7-10 mm. long, the two upper ones slightly the largest; filament-tube 17-22 mm. long, glabrous distally, becoming increasingly pubescent toward the base, the filaments distinct at base, free from the corolla, strongly whitish -hairy; anther-tube 3.5-4.5 mm. long, the two shorter anthers white-tufted at tip, the three larger ones densely white-hairy near tip; h>'panthium pubescent, in anthesis shallowly cup-shaped, the base flat or rounded, in fruit becoming more or less hemispheric, slightly broader than high, 4-5 mm. in diameter; capsule half inferior or less, 5-7.5 mm. long, the free part pubescent; calyx-lobes narrowly triangular or subulate, closely pubescent, prominently toothed, reddish, acute or acuminate, up to 1.8 mm. wide at base, 3-8 mm. long; seeds light-brown, ovoid or oblong, 0.6 ram. long, shining, the surface impressed-retictJate.
Type ix)Cauitv: "In SanctoDomingo," Poileau (herb. Paris, Field Mus. Neg. 38199!). DiSTRiBUTio.s': Southern and central Hispaniola, entending to northern Haiti; at elevations up to 1200 m.

Siphocampylus domingensis là loài thực vật có hoa trong họ Hoa chuông. Loài này được A.DC. miêu tả khoa học đầu tiên năm 1839.