Lobelia fastigiata Kunth

Lobelia fastigiata H. B. K. Nov. Gen. & Sp. 3: 313. 1819
Lobelia tenuifolia Willd.; R. & S. Syst. 5: 56. 1819. ("in Amer. merid.," Humboldt bBonpland.)
Ropuntium fasligiatum Presl, Prodr. Men. I.ob. 15. 1836.
Lobelia Irinilensis Griseb. Fl. Brit. W. Ind. 385. 1861. (Type from Trinidad.)
Lobelia Gardneriana Kanitz in Mart. Fl. Bras. 6*: 138. 1878. (Gardner 2655, isotype, NY!)
Dorimannia Irinilensis Kuntze, Rev. Gen. 380. 1891.
Dortmannia fastigiata Kuntze, Rev. Gen. 972. 1891.
Dortmannia Gardneriana Kuntze, Rev. Gen. 972. 1891.
Annual; stem erect, simple or with few-several ascending branches, slender (1-2 ram. in diameter at base), green or slightly purplish-tinged below, 15-40 cm. high, practically glabrous; leaves cauline, few-15, spreading or ascending, thin, glabrous (or with a few hairs near base on midrib of upper surface), the margins sinuate-serrate, with 3-10 remote teeth on each side, the blades 0.5-1.5 cm. wide by 2-3.5 cm. long, narrowly lanceolate to ovate-lanceolate, the apex acuminate or occasionally obtuse, the base cuneate, the middle leaves largest, 0.4-0.5 cm. wide by 0.5-1 cm. long, usually 3-6 times as long as wide, the lower leaves sometimes obtuse, ovate, subpetiolate; inflorescence few17 cm. long, not secund, loosely fcw-20-flowered ; pedicels in fruit spreading-ascending, slender, 2-6 mm. long, very finely granular-roughened or bristly, or nearly glabrous, each with a pair of bracteoles (which may reach a length of nearly 1 mm.) at the base; flower-bracts leafy, sometimes as large as the foliage leaves and merging imperceptibly into these (then up to 0.8 cm. wide by 3.5 cm. long), their average size about 0.2 cm. wide by 1 .5 cm. long, their margin usually with several callose teeth on each side; flower 5-6 mm. long, including hypanthium; corolla glabrous, the tube 2 mm. long, the dorsal fissure extending nearly to base, the lobes about 1.5-2.0 mm. long; filament-tube about 2.0 mm. long, the filaments connate distally; anther-tube 0.5-1.0 mm. long, brownish-red in dried material, the three larger anthers nearly glabrous, the two smaller while-tufted at tip; hypanthium in anthesis long-campanulate, glabrous, in fruit becoming ellipsoid, with rounded or cuneate base, 3 mm. across by 4-5 mm. long; capsule nearly inferior, 5-6 mm. long; calyx-lobes linearsubulate, entire, 2-3 mm. long, glabrous or very slightly granular; seeds ellipsoid, smooth, shining, about 0.5 mm. long.
Tvm ijOCAMTv: Colrmibia or Rcuadtn' ("prop* iirlwm Popayan cl Cliillo Quilrnsium, ult. 9001300 hex," Field Mu». Ncg. 9106!).
Distbibi;tio.v: Widely dUtributed in South America, south to ParaRuay and soulhcni Brazil; eastern Panama, Trinidaxl.

Lobelia fastigiata là loài thực vật có hoa trong họ Hoa chuông. Loài này được Kunth mô tả khoa học đầu tiên năm 1819.