Burmeistera estrellana E. Wimm.

Burmeistera estrellana F. E. Wimmer, Repert. Sp. Nov 30: 24. pi. 123, f. 8. 1932.
Stems herbaceous, terrestrial, purple at base, glabrous below, somewhat pubescent above, up to 2.5 mm. in diameter at base, 30-60 cm. high; cauline leaves spreading-ascending, about 10, stiff-papery when dry, glabrous above, closely bristly-pubescent below, especially on the veins, with sharp, tubular hairs, the hairs somewhat enlarged at base, the blades shallowly crenate-serrate with 6-10 obscure teeth per cm., the teeth mostly tipped with dark callosities, the blades of the middle leaves elliptic, 1.6-4 cm. broad, 4.5-7.5 cm. long, mostly 2-3 times as long as broad, acute and rather abruptly short-acuminate at tip, rounded or cuneate at base, on distinct stout bristly marginless petioles 1 cm. long or less; flowers 1-3; pedicels in flower stiflly ascending, up to I mm. in diameter and 50 mm. in length, smooth and glabrous; flower about 4 cm. long, including hypanthiura; corolla glabrous, greenish with a purple tinge, the tube 14-16 mm. long, about 2 mm. in diameter, the two upper lobes oblong-linear, 3 ram. wide by about 10 mm. long, the lateral and lower lobes 2.5-3 mm. wide, 6-7 mm. long; filament-tube about 23 mm. long, slightly pubescent at apex, otherwise glabrous, the filaments coherent except for about 2.5 mm. at base, distinct from the coroUa; anther-tube about 6 mm. long, the two shorter anthers about 4.5 mm. long, all the anthers naked at apex or the short ones with a few cilia, all densely short-pubescent at base and on the backs; hypanthium in flower narrowly turbinate, acute and long-attenuate at base, glabrous or with a few tubular hairs, 4-8 mm. long, 3-4 mm. broad when pressed; fruit not seen; caly.-lobes ovate or linguiform, rounded at tip and somewhat dilated at base, glabrous, entire, purplish, 1.5-2 mm. wide at base, 1.8-2.8 mm. long; seeds not seen.
TTE locality: La Estrella, Prov. Cartage, Costa Rica, Slork 1537 (Field!). Distribution: Known only from the type locality.

Burmeistera estrellana là loài thực vật có hoa trong họ Hoa chuông. Loài này được E.Wimm. mô tả khoa học đầu tiên năm 1932.