e-Flora of Thailand

Volume 8 > Part 1 > Year 2005 > Page 158 > Euphorbiaceae > Cladogynos

Cladogynos orientalis Zipp. ex Span.wfo-0000869122

Linnaea 15: 349. 1841; Ridl., Fl. Malay Penins. 3: 276. 1924; Gagnep. in Lecomte, Fl. Indo-Chine 5: 478. 1926; Backer & Bakh.f., Fl. Java 1: 486. 1963; Airy Shaw, Kew Bull. 26: 232. 1972; Whitmore, Tree Fl. Malaya 2: 78. 1973. Plate VIII: 3. / Appendix Fig. 6.


Accepted Name : This is currently accepted.



Synonyms & Citations :

Adenogynum discolor Rchb.f. & Zoll., Acta Soc. Regiae Sci. Indo-Neerl. 1: 23. 1856.— Chloradenia discolor (Rchb.f. & Zoll.) Baill., Étude Euphorb.: 472. 1858.— Cephalocroton discolor (Rchb.f. & Zoll.) Müll.Arg. in DC., Prodr. 15(2): 761. 1866.
Adenochlaena siamensis Ridl., J. Straits Branch Roy. Asiat. Soc. 59: 180. 1911.
Baprea bicolor Pierre ex Pax & K.Hoffm. in Engl., Pflanzenr. IV. 147. vii: 264. 1914.


Description : Shrub, to 3 m high. Leaves: petiole 27.5 cm long; blade ovate to elliptic, 6.5–16 by 2.5–6 cm, base subpeltate, obtuse to rounded, apex acute to acuminate, dark green above, densely white pubescent and floccose beneath. Inflorescences 1–2 long; peduncle 0.5–1 cm long. Flowers yellow-green to white. Staminate flowers in heads of 5–6.5 mm in diam.; sepals ca 1.5 mm long, hairy outside, base and inside glabrous; stamens 2–3 mm long, anthers yellow. Pistillate flowers: sepals 5–6 mm long. Fruits 10–11 by ca 6 mm, white woolly.


Thailand : NORTHERN: Sukhothai, Nakhon Sawan (Mae Wong); NORTH-EASTERN: Loei (Phu Kradueng, Phu Luang), Ubon Ratchathani (Chong Mek), Sakhon Nakhon (Phu Phan NP), Khon Kaen (Dong Lan, Chum Phae); EASTERN: Nakhon Ratchasima (Pak Thong Chai, Sakaerat); SOUTH-WESTERN: Kanchanaburi (Sisawat, Erawan Falls), Ratchaburi (Khao Nam Tok), Phetchaburi (Kaeng Krachan NP), Prachuap Khiri Khan (Huai Yang Falls); CENTRAL: Saraburi (Sam Lan), Nakhon Nayok (Khao Yai NP); SOUTH-EASTERN: Chon Buri (Ban Bueng Hills, Sattahip); PENINSULAR: Surat Thani (Khao Phra Rahu, Kanturi, Ko Tao), Phangnga (Khao Bo Ngu Luam, Takua Thung), Nakhon Si Thammarat (Thung Song), Trang (Nam Tai)


Distribution : South China, Indochina, Malay Peninsula, Java, the Philippines, Lesser Sunda Islands.


Ecology : Common near streams in evergreen forests, on limestone hills, mixed deciduous forests, 30–450 m alt. Flowering: January–September; fruiting: October.


Vernacular : Chet Tha Phung khi (เจตพังคี)(Chiang Mai); tong ta phran (ตองตาพราน)(Saraburi); takia (ตะเกีย), plao ngoen (เปล้าเงิน), nat takua (หนาดตะกั่ว)(Nakhon Ratchasima); sami (สมี)(Prachuap Khiri Khan); bai lang khao (ใบหลังขาว)(Central); mon khao (มนเขา)(Surat Thani); plao nam ngoen (เปล้าน้ำเงิน)(Peninsular)


Main

Appendix of Plates of Euphorbiaceae (A–F) Part 1: Figure 6.
Plate VIII: 3.1–3.2
Cladogynos orientalis Zipp. ex Span.