Lobelia berlandieri A. DC.

Lobelia berlandieri A. DC. in DC. Prodr. 7: 367. 1839
Dortmannia Berlandieri Kuntze, Rev. Gen. 972. 1891.
Lobelia calcarea F. E. Wimmer, Repert. Sp. Nov. 38: 83, in part. 1935. (Pringle 3369, isotype. Gray !) Annual; stems erect or ascending, 10-50 cm. high, stout or deciunbent and prostrate, green (rarely purplish-tinged near base), simple or with few-20 ascending branches from the base of the plant (the plant becoming bushy thereby), the diameter at base 1-3 mm., pubescence wanting or of sparse fine whitish hairs, these mostly near the base, hollow, blunt, cylindrical, collapsing when dry; leaves cauline, few12, membranous or papery when dry, entirely glabrous or cihate near base and margins and on the petiole, the blades elliptic or lanceolate to ovate, 1-3.5 cm. wide, 1.8-5 cm. long, mostly 1.5-2 times as long as wide, those of the middle leaves largest, the lower broader and the lowest sometimes crowded near base of stem, forming a basal rosette; margins subentire to coarsely and irregularly toothed, both sorts often on the same plant; apex of blades obtuse or rounded (at least in the lower leaves), the base mostly cuneate, subpetiolar, or the lower leaves with a distinct margined petiole 0.5-2.5 cm. long; inflorescence usually secund, few-25 cm. long, loosely few-35-flowered, appearing pedunculate, the stem usually naked below it for a distance of 12 cm. or less; pedicels slender, mostly 10-20 mm. long in fruit, glabrous or rarely somewhat bristly, usually strongly incurs'ed in fruit, each with a pair of tiny bracteoles at base; flower-bracts Unear-subulate, 3-6 (9) mm. long (or the lowest larger, leafy), mostly entire, the margins smooth or ciliate; flower 10-13 mm. long, including hypanthiimi; corolla pale or bright purplish-blue, with a white eye (occasionally pure white), the lower lip with 2 yellowish-green tubercles at base; corolla glabrous without, the inner surface hairy within the tube and at the base of the lower lip, or glabrous, the tube (3.5) 4-5 mm. long, entire except for the dorsal fissure which extends to a point I mm. from base or less, the lobes of the lower lip oblong or obovate, 1.5-3.5 mm. wide, 4-7 mm. long, often shorter than or barely equaling the tube, the two upper lobes linear, erect, 1 ram. mde by 3-5 ram. long; filament-tube 2.5-3.5 mm. long, glabrous distally, the filaments free about half their length and there pubescent; anther-tube 1.0-1.5 nmi. long, light bluish-gray, the two shorter anthers white-tufted at tips, the three longer ones sparsely ciliate on the backs; hypanthium in anthesis short-campanulate or obconic, glabrous, in fruit becoraing campanulate, plainly longer than broad, 2.5-3 mm. across; capsule eUipsoid, one-half to three-fourths inferior, 3-5 (6) mm. long; calyx-lobes subulate, entire, 1.5-2.5 mm. long, glabrous; seeds ellipsoid, smooth and shining, polished, about 0.5 mm. long.
TvTE locality: Near Tampico. Tamaulipas, Berlandier 106 (herb. DC, photo!). Distributio.n: Southern Texas to Tabasco, mostly east of the Sierra Madre.

Lobelia berlandieri là loài thực vật có hoa trong họ Hoa chuông. Loài này được A.DC. mô tả khoa học đầu tiên năm 1839.