Month: January 2015

Species: Vatica mangachapoi English Name: Stellate-hair Vatica Chinese Name: 青梅 Family: Dipterocarpaceae Description: Trees to 20 m tall, white resinous. Branchlets stellate-puberulous. Petiole 1.5-2 cm, densely grayish yellow puberulous; leaf blade oblong to oblong-lanceolate, 5-13 × 2-5 cm, leathery, both surfaces glabrous or sparsely pubescent, lateral veins 7-10 pairs raised on both surfaces, tertiary veins conspicuous, base rounded or…

Species: Hopea hainanensis English Name: Hainan Hopea Chinese Name: 坡壘 Family: Dipterocarpaceae Description: Trees ca. 20 m tall, with aromatic white resin. Bark gray or brown, flaky, white lenticellate. Petiole robust, ca. 2 cm, glabrous or farinose-scurfy; leaf blade oblong to oblong-ovate, 4-8 × 5-8 cm, thinly leathery, both surfaces glabrous or farinose-scurfy, lateral veins 9-12 pairs conspicuously raised…

Species: Tetracera asiatica English Name: Sandpaper Vine Chinese Name: 鍚葉藤 Family: Dilleniaceae Description: Photos used under a Creative Commons license References:  

Species: Dillenia indica English Name: Elephant Apple Chinese Name: 五椏果 Family: Dilleniaceae Description: Evergreen trees to 30 m tall, ca. 1.2 m d.b.h. Bark reddish brown, exfoliating; young branchlets brown pubescent, glabrescent; leaf scars obvious. Petiole narrowly winged; leaf blade oblong or obovate-oblong, 15-40 × 7-14 cm, secondary veins (20-)30-40(-70) on either side, parallel, margin obviously serrate. Flowers solitary,…

Species: Plumbago zeylanica English Name: White Leadwort Chinese Name: 白花丹 Family: Plumbaginaceae Description: Perennial herbs or shrubs, erect, 1–3 m tall, evergreen. Branches spreading, often lianous. Petiole base sometimes auriculate; leaf blade ovate, (3–)5–8(–13) X (1.8–)2.5–4(–7) cm, thin, base cuneate to obtuse, apex acuminate and mucronate. Inflorescences spicate-racemose, (3–)5–70-flowered; peduncle 0.5–1.5 cm, glandular; rachis glandular, (2–)3–8(–15) cm; bracts subovate,…

Species: Plumbago auriculata English Name: Blue Leadwort Chinese Name: 藍雪花 Family: Plumbaginaceae Description: Photos used under a Creative Commons license References:  

Species: Rumex maritimus English Name: Dock Chinese Name: 刺酸模 Family: Polygonaceae Description: Herbs annual, rarely biennial, especially in S regions. Stems erect, 15-60 cm tall, branched below middle, grooved, glabrous or weakly shortly papillose. Lower leaves: petiole 1-2.5 cm; leaf blade lanceolate or lanceolate-oblong, 4-15(-20) × 1-3(-4) cm, both surfaces glabrous or shortly papillose below, base narrowly cuneate, margin…

Species: Reynoutria japonica English Name: Japanese Fleece-flower Chinese Name: 虎杖 Family: Polygonaceae Description: Herbs perennial. Rhizomes thickened. Stems numerous, erect, 1-2 m tall, stout, branched above, striate, papillate, often with red or purple spots. Leaves often deciduous; petiole 1-2 cm, papillate; leaf blade ovate or broadly elliptic, 5-12 × 4-9 cm, subleathery, both surfaces glabrous, papillate along veins, base…

Species: Polygonum plebeium English Name: Axil-flowered Knotweed Chinese Name: 腋花蓼 Family: Polygonaceae Description: Herbs annual. Stems prostrate, 10-40 cm tall, much branched from base, usually internodes shorter than leaves. Petiole very short or nearly absent; leaf blade narrowly elliptic or oblanceolate, 5-15 × 2-4 mm, both surfaces with conspicuous midvein and inconspicuous lateral veins, base narrowly cuneate, margin entire,…

Species: Polygonum perfoliatum English Name: Spiny Knotweed Chinese Name: 杠板歸 Family: Polygonaceae Description: Herbs annual. Stems trailing, red-brown, 0.8-2 m, branched, angulate, with retrorse prickles along angles. Petiole 3-8 cm, sparsely retrorsely prickly; leaf blade triangular-peltate, 4-6 × 5-8 cm, abaxially usually sparsely retrorsely prickly along veins, adaxially glabrous, base truncate or subcordate, apex subacute; ocrea tubular, with green…