e-Flora of Thailand

Volume 6 > Part 3 > Year 1997 > Page 217 > Loganiaceae > Strychnos

11. Strychnos nux-blanda A.W.Hillwfo-0001074211

Kew Bull. 1917: 189., Hill in Fl. Siam. En. 3: 59. 1951; Tirel-Roudet in Fl. C.L.V. 13: 42. 1972; Hô, Câyco Vietnam 2: 842. Fig. 6051. 1992.


Accepted Name : This is currently accepted.



Synonyms & Citations :

Strychnos nux-vomica L., Sp. Pl. 1: 189. 1753 pro minor parte; Leenhouts in Fl. Males., Ser. 1, Spermat. 6: 349. 1972 pro minor parte.


Description : Tree to 15 m; twigs yellowish grey without lenticeIs; glabrous, ± terete; axillary spines sometimes present; tendrils absent. Leaves: petiole 5–17 mm, glabrous or sparsely tomentose; lamina elliptic, broadly ovate, orbicular, 4.9–15 by 2 3–12 cm; base acute to rounded to subcordate, apex blunt to acuminate, often mucronulate, thinly chartaceous, glabrous or sometimes sparsely tomentose along the lower nerves; 3–5-plinerved, midrib slightly sunken to flat above, rounded below. Inflorescence 3–5.5 cm terminal or on ends of short side-branches, fairly lax to dense, tomentose, many flowered; peduncle 1–3 cm; pedicels < 2.5 mm. Calyx 1.5–2.2mm; sepals narrowly ovate to lanceolate, outside sparsely tomentose to glabrous, inside glabrous. Corolla 9.4–13.6 mm, green to white; tube ca 3-times as long as lobes; outside glabrous to finely papillose, inside sparsely woolly in lower part of tube; lobes densely papillose; lobes thickened at the tip. Stamens sessile; anthers 1.5–2 mm, oblong, glabrous, minutely apiculate or not. Ovary and style 8.1–13 mm, glabrous, stigma capitate, papillose. Fruit 5–8 cm diam., red to orange when ripe, globose, thick-walled, scabrous, glabrous, with 4–15 seeds. Seeds 1.5–2.2 cm, 5–15 mm thick, irregularly ellipsoid, surface sericeous.


Thailand : NORTHERN: Chiang Mai; EASTERN: Khon Kaen; SOUTH-WESTERN: Kanchanaburi.


Distribution : India, Burma (type), Cambodia, Laos, Vietnam.


Ecology : Dipterocarp or mixed deciduous forests, dry savannas.


Vernacular : Klo-wu-sae (กลอวูแซ), klo-ue (กลออึ), kla ue (กล๊ะอึ๊)(Karen-Mae Hong son); khi ka (ขี้กา)(Northeastern); tumka khao (ตูมกาขาว)(Central); plu-wiat (ปลูเวียด)(Khmer); mating (มะติ่ง), mating ton (มะติ่งต้น), mating mak (มะติ่งหมาก)(Northern).


Notes: This and the next species are very similar and are impossible to distinguish vegetatively. They differ in sepal length, degree of pubescence, fruit size, chemical composition and habitat.


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SN number Collectors and numbers Provinces
80122 Vanpruk  19 Phrae