e-Flora of Thailand

Volume 11 > Part 1 > Year 2011 > Page 63 > Ranunculaceae > Naravelia

4. Naravelia zeylanica (L.) DC.

Syst. Nat. [Candolle] 1: 167. 1817; Tamura, J. Phytogeogr. Taxon. 28: 15. 1980; Acta Phytotax. Geobot. 37: 108. 1986; Thai Forest Bull., Bot. 25: 76. 1997.— Atragene zeylanica L., Sp. Pl. 1: 542. 1753.


Accepted Name : Clematis zeylanica (L.) Poir.
J.B.A.M.de Lamarck, Encycl., Suppl. 2: 296. 1811.


Description : Evergreen climbers, robust, drying greyish. Stems covered with curled hairs, internodes with many striae. Leaves 2-foliolate, tendrils with a pair of branches, ca 15 cm; leaflets broadly elliptic, 9–19 by 4–13 cm, round to subcuneate at base, caudately acuminate at apex, subcoriaceous, main veins 5, inner ones branching above outer, upper surface glabrous, lower surface tomentose with yellowish hairs and prominently veined; petioles 5.5–6 cm long, slightly dilated near base. Inflorescences terminal and axillary, thyrsiform or compound thyrsiform, axilllary one more than 35–150-flowered; peduncles 7–9 cm long, sometimes contracted and a pair of lowest branches from the base of inflorescence axis appearing as accessory cymes, covered with yellowish, curled hairs; bracts linear, up to 5 mm long, sometimes leafy; pedicels 0.5–7 cm long, subvillose; bracteoles linear ovate, small, up to 2 mm long. Sepals 4, reflexed, caducous, ovate-elliptic, 6–7.5 by 2.5–4.5 mm, greenish or yellowish, upper surface glabrous, lower surface tomentose. Petals 6–10, spreading, spathulate or spoon-shaped, round at apex. Stamens erect, dilated, anther-halves 2.5–3.5 mm long, connectives projected up to 0.8 mm, filaments ca 1 mm long. Achenes fusiform, contracted to base as a projection, sometimes tortuose, 8–10 by 1–1.5 mm, with a longitudinal wrinkle on each side, tails 2.5–4 cm long, plumose, hairs 2 mm long, spreading, throughout.


Thailand : SOUTH-WESTERN: Kanchanaburi, Prachuap Khiri Khan.


Distribution : India, Sri Lanka (type), Myanmar.


Ecology : Climbing in evegreen forests, lowland, up to 200 m alt. Rather rare in Thailand.


Vernacular : Khruea tai pen (เครือตายเป็น)(Chiamg mai); khruea thao i mo (เครือเถาอีโม้)(Ratchaburi); siap nu (เสียบหนู)(Ratchaburi); thao khan hom (เถาคันหอม)(Saraburi); thao lin laen daeng (เถาลิ้นแลนแดง)(Prachin Buri); lin laen (ลิ้นแลน), siam nu (เสียมหนู)(Central).


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