Burmeistera virescens (Benth.) Benth. & Hook. fil. ex Hemsl.

Burmeistera virescens (Benth.) Bentb. & Hook. ; Hemsl Biol. Centr. Am. Bot. 2: 263. 1881.
l^oMia virescens Benth. PI. Hartw. 77. 1841.
CentTopogon virescens Planch. & Oerst. Vidensk. Meddel. 1857: 157. 1857.
Centropogon lignescens F. E. Wimmer, Repcrt. Sp. Nov. 19: 252. 1924. (ion Tilrckheim II 1743,
isotype, GrayO Burmeistera lignescens F. E. Winuner. Repcrt. Sp. Nov. 30: 34. 1932. Burmeistera lignescens var. martialis F. E. Wimmer, Repert. Sp. Nos'. 30; 34. pi. 126, f. 53. 1932.
(Cook iGilbert 33-4, VS)
Terrestrial, shrubby or suffrutescent or coarsely herbaceous; stems fistulous, glabrous, up to about 5 mm. in diameter at base, 701 00 cm. high ; leaves 20 or fewer, spreading, membranous or papery when dry, glabrous, or scaberulent or even strigosc on the veins beneath, the margins %-arying from subentire, with minute callosities at intervals of 1-2 mm., to coarsely and irregularly repand-dentate; blades 4-8 cm. wide by 7-16 cm. long, 2-3 times as long as wide, elliptic to ovate, the base rounded or cuneate and rather abruptly narrowed to a narrowly margined petiole 1-3 cm. long, the apex acute, with an acuminate or caudate tip which may be 1.3 cm. long or more; the upper ones similar but sometimes reduced in size; inflorescence mostly 10-16 cm. long, loosely few-15-flowered; pedicels wide-spreading, stiff, up to 1 mm. in diameter, in frtiit 45-80 mm. long, smooth and glabrous; flowers 3-4 cm. long, including hj^panthium; corolla glabrous or minutely puberulent without, glabrous within, green, the tube 16-19 mm. long, the two upper lobes lanceolate-falcate, 2.5-3.5 mm. wide at base, acute at tip, 10-13 mm. long, the two lateral lobes similar, shorter, 7-10 mm. long, the lowest lobe about 6-8 mm. long; filament-tube 20-25 mm. long, pubescent near apex, glabrous below, the filaments distinct at base for a distance of 4—5 mm. and entirely free from the corolla; anther-tube 4.5-6.0 mm. long, the anthers sparsely white-pilose wnth short hairs on the backs, the two lower anthers about 2-3 mm. long, naked at apex or with a sparse fringe of soft white hairs; hypanthium in antliesis obconic, acute at base, glabrous; fruit apparently a soft "berry," hardly at all inflated, 5-7.5 mm. in diameter by 7-10 mm. long, pink tipped with green (Johnson 916), or white (Steyermark 37712), ellipsoid or obovoid, somewhat flattened at apex, the free part tipped by the persistent style-base; calyx-lobes narrowly triangular, blunt at tip, with a few obscure callosities on each edge, 1.5-2.5 mm. wide at base, 3.5-8 mm. long; seeds oblong, flattened, with rounded ends and edges, about 1 mm. long.
Type ix>CAi,iri': Rancho de Santa Rita near Quezaltenango, Guateni.ila, Hartweg 5-fO (Kew!). DlSTRmcTios: Mountains of central and southwestern Guatemala, mostly at elevations of 1000-2000 m.

Burmeistera virescens là loài thực vật có hoa trong họ Hoa chuông. Loài này được (Benth.) Benth. & Hook.f. ex Hemsl. mô tả khoa học đầu tiên năm 1881.