Guioa malukuensis Welzen

Species

Angiosperms > Sapindales > Sapindaceae > Guioa

Characteristics

Tree, c. 13 m high, dbh up to 20 cm; bark grey; wood hard. Branchlets shortly sericeous, especially when young; flowering twigs 3-3.5 mm in diam. Leaves 2-4-jugate; rachis 0.7-6 cm long, slightly winged, subsericeous, petiole 0.7-3 cm long. Leaflets subsessile, opposite to subopposite, elliptic, 3.4-7.2 by 1-2.2 cm, index 2.4-3.7, ± symmetrical, coriaceous, punctate; base attenuate; margin entire, flat; apex acuminate, not mucronulate; upper surface subsericeous, especially the venation; lower surface dull, papillate, sericeous, domatia 1 to many pocket-like sac(s) in axils of nerves; venation on upper side flat, raised on lower; nerves 0.3-1.3 cm apart, marginally looped and joined; veins densely reticulate, distinct. Inflorescences axillary, branching basally and along the somewhat flattened, sericeous, 3.3-12.2 cm long axis; first order branches up to 3.3 cm long; cymules cincinnate; bracts and bracteoles triangular, outside sericeous, inside glabrous; bracts c. 0.9 mm long; bracteoles 0.3-0.4 mm long; pedicels 3.5-3.8 mm long, sericeous except for the (sub)glabrous articulate part. Flowers c. 3 mm in diam. Sepals 5, ovate, margin pilose, with glands, outside and inside glabrous; 2 outer smaller ones c. 1.2 by 1.2 mm; 3 inner larger ones 1.8-2.2 by 1.8-2.2 mm, margin petaloid. Petals 5, elliptic, c. 1.4 by 1 rnm, white; claw c. 0.2 mm high; margin and less so outside pilose, inside (sub)glabrous, apex retuse to rounded; scales inwardly folded auricles, c. 0.4 mm long; crest absent. Disc uninterrupted. Stamens 8; filaments c. 2.4 mm long, pilose, especially basally; anthers c. 0.4 mm long, glabrous. Pistil in young state. Fruits unknown.
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Growth form tree
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Sexuality monoecy
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Cultivation

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Conservation status

Guioa malukuensis threat status: Vulnerable

Identifiers

LSID urn:lsid:ipni.org:names:935699-1
WFO ID wfo-0000711851
COL ID 3HLC4
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Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Guioa malukuensis