Clethra fabri Hance

Species

Angiosperms > Ericales > Clethraceae > Clethra

Characteristics

Trees or shrubs, 2–7 m tall, evergreen but apparently deciduous in SE portion of range. Petiole 3–15 mm; leaf blade oblanceolate or occasionally elliptic to obovate-elliptic, 5.1–12.4 × 1.5–4.2 cm, thickly papery to subleathery, abaxially often pubescent along midvein and in axils of secondary veins but otherwise glabrous and with usually slightly raised tawny reticulations, base acute to cuneate, margin shortly serrate but basal 1/4–1/2 and apical acumen entire, teeth 5–19(–31) per side on larger leaves and 1–18 mm apart, apex acuminate; secondary veins 7–13 on each side of midvein. Racemes (1–)2–7 per branchlet, 6–20 cm, densely grayish brown stellate-hirsute, thickest rachis on each twig basally 0.8–1.7 mm in diam.; bracts linear-lanceolate, 2–6 mm. Pedicel 1–4 mm at anthesis. Sepals suborbicular to ovate, 2.5–3 × 1.5–1.8 mm, densely stellate-pubescent, midvein abaxially indistinct at anthesis, apex obtuse and glandular-mucronate. Petals white or cream-white, 2.8–4.5 × 1.5–2.4 mm, abaxially smooth, adaxially villous from base to middle, margin thickened and apically distinctly fimbriate. Stamens 2.8–6.0 mm, slightly exserted or ± equal in length to petals; filaments glabrous; anthers 1.0–1.8 mm. Style 2.5–5 mm at anthesis, glabrous, apex subcapitate, 3-lobed, or shallowly 3-cleft. Fruiting pedicel 1–7 mm. Ovary and capsule apically hirsutulous, with longer hairs 0.4–0.8 mm; persistent style 3–5 mm. Fl. Jul–Aug, fr. Aug–Oct.
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Growth form tree
Growth support free-standing
Foliage retention
Sexuality hermaphrodite
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Mature height (meter) 2.0 - 7.0
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AprMayJun
JulAugSep
OctNovDec
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AprMayJun
JulAugSep
OctNovDec
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Usage

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Cultivation

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Distribution

Clethra fabri world distribution map, present in China and Viet Nam

Identifiers

LSID urn:lsid:ipni.org:names:327588-1
WFO ID wfo-0000888739
COL ID W4D4
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Clethra annamensis Clethra liangii Clethra tonkinensis Clethra fabri Clethra fabri var. brevipes Clethra fabri var. laxiflora Clethra smithiana var. latifolia Clethra smithiana