贫花厚壳桂 pin hua hou ke gui

Trees, up to 20 m tall. Branchlets terete, ca. 2.5 mm in diam., sometimes ± angled, striate, densely yellowish brown puberulent, sparsely corky lenticellate on lower part. Leaves alternate; petiole 0.8-1.2 cm, concave-convex, yellowish brown puberulent; leaf blade greenish abaxially, green adaxially, oblong or ovate-oblong, 8-19.5 × 3.3-8 cm, thinly leathery, glabrous on both surfaces or sparsely puberulent only along midrib adaxially, midrib and lateral veins very elevated abaxially, slightly conspicuous adaxially, lateral veins (4 or)5-7 pairs, arcuate-ascendant, evanescent within margin, veins and veinlets ± conspicuous on both surfaces, veinlets reticulate, base broadly cuneate and asymmetric on sides, apex acuminate or sometimes obtuse but with acute acumen. Panicle axillary and terminal, short, 3-5.5 cm, few flowered, lax, few branched; branches short, less than 4.5 mm; peduncle 0.8-1.5(-2.5) cm, peduncle and rachis densely yellowish brown puberulent; bracts and bracteoles minute, subulate, less than 1 mm, densely yellowish brown puberulent, caducous. Pedicels ca. 1 mm, densely yellowish brown puberulent. Flowers green-yellow, ca. 3.5 mm. Perianth densely yellowish brown puberulent outside but rather sparsely so inside; perianth tube turbinate, ca. 1.5 mm; perianth lobes ovate, ca. 2 mm, acute. Fertile stamens 9, ca. 1.7 mm; filaments villous, those of 3rd whorl each with 2 long-stalked suborbicular glands, others glandless; anthers ca. 1/2 as long as filaments, anthers of 1st and 2nd whorls oblong, with introrse cells, those of 3rd whorl ovoid-oblong, with extrorse cells. Staminodes narrowly sagittate-triangular, ca. 1.3 mm, stalked; stalk ca. 0.7 mm. Ovary clavate, including style ca. 3 mm; style linear; stigma inconspicuous. Fruit shiny, oblate, ca. 2.1 × 2.3 cm, black when mature, nearly smooth, inconspicuously angled. Fl. Apr-May, fr. Jun-Dec.

● Evergreen broad-leaved forests, along streams in valleys; 1300-1400 m. SE Yunnan.