缩序火焰花 suo xu huo yan hua

Phlogacanthus abbreviatus (Craib) Benoist.

Shrubs to 1 m tall. Stems green, terete or 4-angled, slightly pubescent. Petiole 1.5-3.5 cm; leaf blade oblanceolate to obovate-lanceolate, ca. 15 × 5 cm, abaxially slightly pubescent along veins, adaxially glabrous, secondary veins ca. 6 on each side of midvein, base narrowly attenuate, margin entire, apex shortly acuminate. Thyrses terminal, 8-12 cm; bracts minute, caducous; bracteoles subulate. Pedicel ca. 3 mm. Calyx ca. 8 mm; lobes linear-lanceolate, outside appressed strigose, margin sparsely gland-tipped ciliate, apex obtuse. Corolla purple, ca. 1.5 cm, bent to 90º and abruptly inflated at middle. Stamens included; filaments ca. 1.2 cm, hirsute at base; anther thecae oblong, connective gland-tipped hirsute; staminodes 2. Ovary ca. 2 mm, glabrous; style ca. 1 cm, glabrous; stigma slightly 2-cleft. Capsule and seeds not seen.

Yunnan [Vietnam].