Clethra pachyphylla Merr.

Species

Angiosperms > Ericales > Clethraceae > Clethra

Characteristics

Shrub or mostly small tree, 2-4 (-10) m high, trunk up to 20 cm ø, laxly branched, branches obliquely ascending to almost horizontal. Branchlets robust, rufous-ferrugineous-tomentose at apex. Leaves oblong or obovate-oblong, more rarely oblong-elliptic or elliptic, apex shortly subacutely acuminate, base cuneate, coriaceous, firm, younger ones subdensely floccose-or subvillous-stellate-hairy above, all over beneath with a tomentum of minor pale stellate hairs and a more coarse one of major stellate and fascicled, initially rusty, finally greyish hairs, midrib and nerves mainly with major fascicled hairs, entire or more rarely and but in part irregularly serrulate, 4-9(-14) by (2-)2.5-3.5(-4,-5) cm, midrib bold beneath, nerves (9-)10-12(-13) pairs, prominent beneath, curved and ± excurrent at the edge, veins slightly raised beneath, reticulation more distinct but in ± mature leaves; petiole 1.2-1.5(-1.8) by 1.5-2 mm. Racemes panicled, rather dense-flowered, robust, all over villous or almost so by minor and major stellate and coarse fascicled rusty hairs, 5-10(-12) cm; rachis stout. Pedicels thickish, 2-3(-4) mm, bracts subulate, 4-5(-8) mm, caducous. Calyx lobes oblong-ovate, subacuminate, (3.5-)4-5 mm. Petals spathulate to spathulate-oblong, irregularly erose or crenulate at apex, white to cream, scented, glabrous, (3-)4(-5) by 2.5-3 mm. Filaments glabrous, 2-2.5 mm; anthers subobovate, 0.8-1 mm. Ovary short-tomentulose; style thickish, glabrous, 2.5-3 mm (3.5-4 mm in fruit), shortly 3-lobed. Capsule depressed-globose, 3 mm ø. Seeds sub-trigonous, 1-1.2 mm.
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Foliage retention deciduous
Sexuality hermaphrodite
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Environment

Scattered in Quercus havilandii and Tris-tania forest, still not too rare in mossy Lepto-spermum-Dacrydium forest, also in secondary vegetation, (870-)1200-2500(-3050) m, on poor soil. Fl.fr. March-Oct.
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Cultivation

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Distribution

Clethra pachyphylla world distribution map, present in Malaysia

Identifiers

LSID urn:lsid:ipni.org:names:169489-1
WFO ID wfo-0000889680
COL ID W4FG
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Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Clethra pachyphylla