生活型

shrub

形態特徵

• Shrubs. Stems 1–1.5 m tall, branched or simple, densely brownish pilose.
• Leaves opposite; petiole 1–4 cm long, brownish pilose; blade elliptic to widely oblanceolate, 12–36 cm long, 4–10.5 cm wide, adaxially glabrescent, veins puberulent; abaxially glabrous to sparsely puberulous, veins densely puberulous, base cuneate, margins serrulate to undulate, apex acuminate; lateral veins 6–10 pairs.
• Cymes 3–7-flowered; peduncle 0.8–3 cm long, densely rusty puberulous; bracts lanceolate, 4–12 mm long, 1–3 mm wide, puberulous. Pedicel 4–9 mm long, puberulous. Calyx 4–6 mm long, rusty puberulous outside, connate to above middle, lobes narrowly triangular, 2–3 mm long. Corolla white, 10–13 mm long, puberulous outside, glabrous inside, tube 6–8 mm long, funnelform-tubular, upper lip slightly longer than lower lip. Disc cup-shaped, 1–1.8 mm tall. Stamens adnate near corolla base, glabrous; filaments linear, geniculate, 2.5–3 mm long; anthers dorsifixed, coherent at apex, ellipsoid, ca. 1 mm long, thecae divergent, confluent; staminodes 2, linear, ca. 1 mm long. Gynoecium exserted; ovary ovoid ca. 2 mm long, glabrous; style 4–5 mm long, sparsely glandular puberulous; stigma widely capitate.
• Berry ellipsoid, ca. 8 mm long.

物候

Flowering and fruiting throughout the year on Lanyu and Lutao.

分布

• 台灣 : Lanyu and Lutao. on shaded rocks in valleys and at forest margins from 50 to 400 m.
• 世界 : the Philippines (Batan and Babuyan Islands).

引證標本

TAITUNG: Lanyu, Hatusima 2246, Hosokawa 8129, Huang & Kao 5120; Lutao, Pan & Chen s. n. 1994.

引用文獻

• LI, Zhen-Yu and KAO, Muh-Tsuen, Flora of Taiwan, second edition 4: 695. 1998.  (Fl. Taiwan 2nd edit., 台灣植物誌第二版)