Centropogon cornutus (L.) Druce

Centropogon cornutus (L.) Druce, Rep. Bot. Exch. Club 3:416. 1914.
Lobelia coniula L. Sp. PI. 930, 1753.
io6c/io s«n'«om<:nsis L. Sp. PI. cd. 2. 1320. 1763. (Type from Surinam.)
Lobelia obscura L. PI. Surin. 14. 1775. (Type from Surinam.)
Lobelia laevigata ,.i.Su'pp.2>92. 1781. (Surinam, Dalfterg.)
Lobelia Andropogon Cav. Anal. Hist. Nat. 2: 106. 1800. (Type from Ecuador, Nee.)
Lobelia spectabilis H. B. K. Nov. Gen. & Sp. 3: 306. 1819. (Type from Venezuela.)
Lobelia purpurea Veil. Kl. Flum. Ic. 8: pi. JH6. " 1827." (Type from Brazil.)
Siphocampyltts macranthus Pohl, PI. Bras. Ic. 2; 105. pi. I6H. 1831. (Tvpe from Brazil.)
Siphocampylus spectabilis G. Don, Gen. Hist. 3: 702. 1834.
Siphocampylus surinamensis G. Don, Gen. Hist. 3: 702. 1834.
Siphocampylus Andropogon G. Don, Gen. Hist. 3: 703. 1834.
Cetitropogon surinamensis Presl, Prodr. Mon. Lob. 48. 1836.
f Centropogon edulis Presl, Prodr. Mon. Lob. 48. 1836. (Noxren nudum.)
?Lobelia edulis L. ex Presl, Prodr. Mon. Lob. 48, as syn. 1836.
Centropogon laevigatus A. DC. in DC. Prodr. 7: 344. 1839.
Centropogon? Andropogon A. DC. in DC. Prodr. 7: 345. 1839.
Lobelia sphacrocarpo Juss.; A. DC. in DC. Prodr. 7: 345, as syn. 1839.
Centropogon fastuosum H. Jacq. Ann. Fl. Pom. H. 3; 118. 1845.
Terrestrial, herbaceous or slightly woody at base; stems simple or branched, erect or trailing, glabrous below, bristly-pubescent in the inflorescence, fistulous, coarse, up to 2.5 m. high; leaves 20 (?) or fewer, spreading, the upper ones usually plainly reduced in size; blades thin, papery or membranous when dry, glabrous above, glabrous or minutely scaberulent on the veins beneath, 2.5-6.5 cm. wide, 10-20 cm. long, usually 2-3 times as long as wide, the base rounded, abruptly narrowed and then attenuate into a stout petiole 0.5-2 cm. long, the apex acute or acuminate, the margins usually appearing subentire, obscurely denticulate with 3-8 small sharp callose teeth per cm.; inflorescence few-15 (30) cm. long, the few-20 flowers in the axils of the upper leaves; inflorescence erect or essentially so, not pedunculate; pedicels spreading, weak, up to 1 mm. in diameter, (35) 45-70 (95) mm. long in fruit, sparsely or densely shortbristly-pubescent; bracteoles linearfiliform, glabrous or essentially so, 4-10 mm. long, at the base of the pedicel or as much as 6 mm. above it; flower 6-8 cm. long, including hypanthium and stamens; corolla odorless (according to Broadway), red or pink, the lobes often white (rarely the whole corolla white), glabrous within, glabrous without or with scattered stiff whitish hairs along the principal veins, the margins of the lobes usually bearing prominent stiff whitish hairs 0.5-0.8 mm. long, the tube 35-41 mm, long, falcate, abruptly bent at or near the middle, narrowest near the base and very gradually enlarged upward, the lobes falcate, deltoid, 3-5 mm. wide at base, acuminate, the two upper ones curled outward into a ring, 7-9 (?) mm. long, the others sHghtly shorter; filament-tube 46-60 mm. long, white, distally pink, glabrous or sparsely pilose distally, the filaments distinct at base and united to the corolla-tube; anthertube 7.5-9.5 mm. long, light gray to deep green, brown, or purplish, scarcely or not at all incurved, the anthers densely hirsute, especially along the connectives and at base and apex, with long (up to 3 mm.) white, pinkish, or purple hairs, the hairs at apex of the two shorter anthers concrescent into a narrowly triangular scale-like process about 3 mm. long; hypanthiura in anthesis hemispheric or flattened at base, glabrous to bristly pubescent, in fruit becoming a dry (?) berry, scarcely inflated, depressed-globose, slightly broader than high, 10-12 mm. in diameter; calyx-lobes lanceolate or linear-subulate, attenuate, toothed and usually bristly as well, 1-3 mm. wide at base, 8.5-20 mm. long; .seeds flattened, with rounded edges, about 0.7 mm. in diameter, circular or nearly so in outline, foveate-reticulate.
Type w)Calit-: French Guiana (.>) ("Habitat in Cayenna").
DisTRiBuno.v: Zempoaltepetl, Oaxaca; Panama and the Lesser Antilles; throughout northern South America, especially in the lowlands, to Bolivia and southern Brazil.

Centropogon cornutus là loài thực vật có hoa trong họ Hoa chuông. Loài này được (L.) Druce mô tả khoa học đầu tiên năm 1913 publ. 1914.