Knema lenta Warb.

Species

Angiosperms > Magnoliales > Myristicaceae > Knema

Characteristics

Trees to 20 m tall, 10-35 cm d.b.h.; juvenile branches with dense grayish brown scurfy or stellate pubescence, hairs ca. 0.1 mm, glabrescent. Petiole rather slender, 8-20 mm, with dense appressed rusty or tawny pubescence, glabrescent; leaf blade oblong-lanceolate or linear-lanceolate, 8-30 × 2-8.5 cm, papery, abaxially pale or glaucous, early glabrescent from minute 0.1-0.3 mm hairs, adaxially glossy, glabrous, base cuneate to rounded, apex acuminate or long acuminate; midvein and lateral veins with granular or powdery stellate pubescence, lateral veins 20-25 pairs, midvein prominent abaxially and sunken adaxially, ultimate venation very fine, prominent on both surfaces. Male inflorescences up to 5 mm, pedunculate, simple. Male flowers 3-15; pedicel 5-10 mm; bracteole at or above middle; perianth in bud globose, ca. 4 mm in diam., lobes 3; staminal disk flattish; anthers 8-16. Female inflorescences with 2 or 3 flowers. Female flowers: pedicel 3-6(-10) mm; perianth in bud ovoid-oblong, ca. 6 mm; ovary ovoid, with dense pubescence, hairs 0.5-1 mm; style short; stigma deeply 2-lobed and each lobe shallowly many lobulate. Fruiting pedicel short, 3-8(-12) mm. Fruits 1-3 per infructescence, ellipsoid, 2-3.5 × 1.5-2 cm, base rounded, apex acute or rounded; perianth persistent, with dense pubescence of shaggy hairs 1-2 mm, partly glabrescent; pericarp ca. 1.5 mm thick. Seeds ellipsoid, 2-2.2 × 1.4-1.6 cm, base rounded, apex oblique, slightly pointed; aril thin, completely enclosing seeds or only at apex slightly open. Fl. Oct, fr. Apr-May.
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Growth form tree
Growth support free-standing
Foliage retention evergreen
Sexuality dioecy
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Mature height (meter) 14.0 - 20.0
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JulAugSep
OctNovDec
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AprMayJun
JulAugSep
OctNovDec
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Usage

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Cultivation

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Distribution

Knema lenta world distribution map, present in China and Thailand

Identifiers

LSID urn:lsid:ipni.org:names:585882-1
WFO ID wfo-0001085256
COL ID 6NM8R
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Knema lenta