多脉木 duo mai jian mu

Dysoxylum lukii Merrill; D. lukii var. paucinervium F. C. How & T. C. Chen.

Trees 4-12(-15) m tall. Branchlets densely yellowish pubescent; older branches gray pubescent; apical buds spikelike or stiletto-shaped. Leaves in spirals, scattered, ca. 60 cm, even-pinnate; petiole and rachis densely pubescent; leaflets 9-15, usually alternate; leaflet blades lanceolate or oblong, 10-30 × 3-9 cm, papery, abaxially yellowish villous, adaxially densely pubescent on midvein and otherwise sparsely pubescent, secondary veins 25-30 on each side of midvein, spreading but anastomosing near margin, abaxially conspicuously prominent and adaxially concave, base usually oblique with one side rounded and other side cuneate, apex acuminate. Thyrses axillary, ca. 20 cm, many branched, yellowish pubescent. Flowers 4-merous. Pedicel 4 mm or more. Calyx nearly disciform, ca. 2.5 mm in diam., outside pubescent, apex inconspicuously lobed. Petals linear-oblong, 6-7 × 2(or less) mm, outside pubescent. Staminal tube cylindric, ca. 5 mm, glabrous, margin serrulate; anthers 8, oblong, ca. 1 mm, included. Disk annular, ca. 1 mm high, glabrous, apex crenate. Ovary densely yellow pubescent; style 3-4 mm, slender, basally villous. Capsule obovoid-globose to pyriform, ca. 4 × 3 cm or wider, wrinkled when dry, glabrous. Seeds obovoid, with thick sarcotesta. Fl. May-Jul and Sep-Nov, fr. Oct-Nov and Mar-Apr.

Forests in mountainous regions; middle elevations. Guangdong, Guangxi, Hainan, S Yunnan [Bhutan, NE India, Indonesia, Malaysia, Thailand, Vietnam].