岗松 gang song

Baeckea chinensis Gaertner; B. cochinchinensis Blume; B. frutescens var. brachyphylla Merrill & L. M. Perry; B. sumatrana Blume; Cedrela rosmarinus Loureiro.

Shrubs, sometimes small trees. Petiole 0.5-0.6 mm; leaf blade linear, 5-10 × ca. 1 mm, abaxially with raised oil glands, adaxially grooved, midvein 1, secondary veins absent, apex sharp. Flowers axillary, solitary, small; bracts caducous. Pedicel 1-1.5 mm. Hypanthium campanulate, ca. 1.5 mm. Sepals 5, triangular, small, apex acute. Petals white, distinct, rounded, ca. 1.5 mm, base clawed. Stamens 7-13 or less, 1-3-grouped opposite each sepal. Ovary inferior, 2- or 3-loculed. Style short, persistent. Capsule ca. 2 mm. Seeds flattened, angular. Fl. summer.

Thickets, slopes, low hills, open grasslands. Fujian, Guangdong, Guangxi, Hainan, Jiangxi, Zhejiang [Cambodia, India, Indonesia, Malaysia, Myanmar, New Guinea, Philippines, Thailand, Vietnam; Australia].