河口五层龙 he kou wu ceng long

Shrubs, ca. 2 m tall; branchlets brown-gray, glabrous, densely verrucose lenticellate. Petiole robust, up to 1 cm, grooved; leaf blade obovate-elliptic, 15-20 × 7-11 cm, leathery, adaxially shiny, base broadly cuneate, margin entire, apex mucronate, mucro 5-10 mm; midvein abaxially prominent, adaxially slightly concave, lateral veins 7-9 pairs, reticulate veins horizontally spreading, abaxially prominent, adaxially inconspicuous. Fascicles axillary or extra-axillary, 3- or 4-flowered; pedicel tenuous, 6-8 mm, glabrous, base with multicolumn deltoid scales. Sepals broadly deltoid, ca. 2 mm, margin ciliolate, apex subacute; petals ovate, ca. 4 mm, margin membranous, apex subrounded. Disk cupular, ca. 2 mm tall, pentagonous. Stamens 3; filaments flat, inserted at margin of disk; anthers forked, oblong. Ovary 3-locular, concealed in disk; ovules 2 per locule; style very short, subulate. Fruit not seen.

● Forest shade; below 100-200 m. S and SE Yunnan (Hekou, Maguan, Mengla).