Bouvardia scabra Hook. & Arn.

Bouvardia scabra H. & A. Bot. Beech. Voy. 427. 1840
Bouvardia obovata Benth. PI. Hartw. 16. 1839. Not B. obovata H. B. K. 1820.
Herbaceous or suffrutescent, 4-6 dm. high, the stems simple or sparsely branched below, very stout, subangulate or terete, densely villous with long yellowish hairs, the internodes elongate; stipule-sheath 3 mm. long or shorter, aristate-cuspidate; leaves 3-4-verticillate, sessile or short-petiolate, the blades rhombic-orbicular, elliptic-oval, rhombic-ovate, or ovate, 3.5-7.5 cm. long, 1.5-4.8 cm. wide, obtuse or acute at the base, rounded and abruptly shortacuminate, acute, or attenuate at the apex, thick, bright-green above, densely scabrous or short-villous with stiff hairs, paler beneath, densely and very coarsely villous along the veins, elsewhere scabrous, the veins very prominent beneath, the lateral ones numerous, arcuateascending, the secondary veins usually prominently reticulate; inflorescence terminal and axillary, cymose-corymbose, often long-pedunculate, densely many-flowered, 5-14 cm. broad, the pedicels stout, 5 mm. long or shorter; hypanthium 2-2.5 mm. long, densely hirsutulous or short-villous; calyx-lobes linear or linear-subulate, 8-12 min. long, hirsutulous; corolla red, glabrous outside, the tube 17-21 mm. long, 2-2.5 mm. thick above, densely villous within near the base, the lobes broadly ovate or oblong-ovate, 6-8 mm. long, obtuse or acutish, apiculate, glabrous within, spreading; anthers nearly sessile, included, 1.5-2 mm. long; style included or exserted; capsule subglobose, 6-7 mm. broad, hirsutulous, wholly inferior; seeds dark-brown, broadly winged.
TYPB locality: Tepic, Tepic.
Distribution: Jalisco and Tepic.

Bouvardia scabra là một loài thực vật có hoa trong họ Thiến thảo. Loài này được Hook. & Arn. mô tả khoa học đầu tiên năm 1840.