Clethra arfakana Sleumer

Species

Angiosperms > Ericales > Clethraceae > Clethra

Characteristics

Shrub or erect treelet, 2-3 m, much branched. Branchlets slender, tips rusty-tomentellous. Leaves obovate-oblong or-elliptic, apex shortly acutely acuminate, base cuneate, slightly inequilateral, subcoriaceous to firmly chartaceous, flush reddish, younger and mature ones dark green and glabrous above, whitish greyish below, i.e. except the sparsely hairy or subglabrous midrib and nerves covered by a short tomentum of minute stellate hairs, very tardily glabrescent, (sub)entire or shallowly dentate, (2-)3-4.5 by (1-)1.3-2 cm, more deeply dentate and up to 7.5 by 3 cm in not flowering new shoots, nerves in 10-12 pairs, ± straight from the midrib, curved upwards, slightly prominent beneath; petiole 5-8(-10) mm. Racemes several, panicled, 5-7 (-8) cm, rather lax-flowered, pale-rusty stellate-tomentellous in all outer parts; rachis slender. Pedicels slender, 2-3 mm, basal bracts early fugacious. Calyx lobes ovate-oblong, long-ciliate, 3 by 1.5 mm. Petals obovate-spathulate, sometimes coherent at the base, glabrous, white, shortly erose-fimbriate all along the edge, (3.5-)4(-5) by 2-2.5 mm. Filaments dilated towards the base, glabrous, 2.5 mm; anthers obcordate, about 0.5 mm. Ovary almost hirsute; style glabrous, 1.8 mm at anthesis, hardly accrescent in fruit. Capsule subglobose, 2.5-3 mm ø. Seeds oval to subtrigonous, c. 1 mm.
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Foliage retention deciduous
Sexuality hermaphrodite
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Mature height (meter) 2.0 - 3.0
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Environment

In edge of Nothofagus-Myrtaceae-forest or in more open heath formation within devastated montane forest, 2000-2600 m, common locally. Fl. fr.--01.
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Hardiness (USDA) 9-12

Usage

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Cultivation

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Distribution

Clethra arfakana world distribution map, present in Iceland and Papua New Guinea

Identifiers

LSID urn:lsid:ipni.org:names:169429-1
WFO ID wfo-0000888131
COL ID W4BQ
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Clethra arfakana