Volume 8 > Part 1 > Year 2005 > Page 160 > Euphorbiaceae > Claoxylon

1. Claoxylon indicum (Reinw. ex Blume) Hassk.wfo-0000870131

Cat. Hort. Bog.: 235. 1844; Hook.f., Fl. Brit. Ind. 5: 410. 1887; Gagnep. in Lecomte, Fl. Indo-Chine 5: 422. 1926; Airy Shaw, Kew Bull. 26: 233.— Erytrochilus indicus Reinw. ex Blume. Bijdr.: 615. 1825. Plate VIII: 2.

Accepted Name : This is currently accepted.

Synonyms & Citations :

Description : Shrub or tree, up to 8 m high, flowering branchlets up to 12 mm thick, mainly villose all over, glabrescent. Stipules minute, triangular, ca 0.5 by 0.3 mm. Leaves: petiole up to 8 cm long, usually with 2 glands, hardly adaxially longitudinally grooved; blade ovate (to elliptic), above less hairy than underneath; nerves 9–12 per side, ending open near margin. Staminate racemes up to 33 cm long, yellow-green; flowers in groups of up to 8; bracts ca 2 by 1 mm. Staminate flowers ca 4.5 mm in diam., green to white; pedicel 2–3 mm long; sepals 3 (or 4), ovate, 2.3–2.5 by 1.2–1.3 mm; disc lobes ca 0.4 mm high; stamens ca 20, filaments 1.4–1.5 mm long, anthers 0.4–0.5 mm long. Pistillate racemes up to 7.5 cm long, dull light green; bracts ca 1.4 by 1.4 mm. Pistillate flowers ca 2.7 mm wide, green; pedicel 2–3.8 mm long; sepals 3 or 4(5), 1.3–1.8 by 0.9–2 mm; disc lobes smaller than sepals; ovary 3- or 4-locular, ca 2 by 2.7 mm wide; stigmas ca 1.1 mm long. Fruits 8–9.5 by ca 5 mm, dull light green to bluish green, densely whitish tomentose; column ca 4 mm long. Seeds 3–3.8 mm in diam., arillode red.

Thailand : NORTHERN: Mae Hong Son, Nan, Tak, Phitsanulok; NORTH-EASTERN: Khon Kaen; EASTERN: Nakhon Ratchasima; SOUTH-WESTERN: Kanchanaburi, Phetchaburi, Prachuap Khiri Khan; CENTRAL: Saraburi; SOUTH-EASTERN: Prachin Buri, Chon Buri, Chanthaburi; PENINSULAR: Chumphon, Ranong, Surat Thani, Trang, Yala.

Distribution : From India to S China and SE Asia, throughout Malesia (Java – type) to New Guinea.

Ecology : Evergreen forests, disturbed hill evergreen forests, open areas with secondary growths, roadside clearings, on limestone and granitic, 80–1,650 alt.

Vernacular : Khang namphueng (ข้างน้ำผึ้ง), ngun pheng khao (งุ้นผึ้งขาว)(Northern); chap paeng (ฉับแป้ง)(Uttaradit); phak wan bai yai (ผักหวานใบใหญ่)(Chanthaburi); hu khwai (หูควาย)(Nakhon Si Thammarat); kha ka ai (ขะกะอ้าย), phak wan chang khlong (ผักหวานช้างโขลง)(Peninsular).