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14. LOROPETALUM R. Brown in G. F. Abel, Narr. Journey China, App. B. 375. 1818.
木继木属 ji mu shu
Tetrathyrium Bentham.
Shrubs or small trees, evergreen or semievergreen; buds naked. Leaves shortly petiolate; stipules membranous; leaf blade membranous or thinly leathery, margin entire, venation pinnate. Inflorescence capitate, shortly spicate, or racemose, axillary or terminal, 3–25-flowered. Flowers bisexual, usually 4 or 5(or 6)-merous. Floral cup obconical, stellately pubescent. Sepals usually 4 or 5(or 6), ovate, pubescent, deciduous. Petals white or red, straplike, circinate in bud. Stamens 4 or 5(or 6), perigynous, anther thecae 2-sporangiate, each dehiscing by 2 valves, connective protrusion long and slender; disk scales present. Ovary inferior or semi-inferior; ovules 1 per locule. Fruiting pedicel short or absent. Capsules dehiscing by two 2-lobed valves, lower part enveloped by floral cup. Seeds 1 per carpel; endosperm fleshy.
Three species: China, E and N India, Japan; three species (two endemic) in China.
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| 1 |
Bracts pectinate, glandular-fimbriate; inflorescence axillary, 14–25-flowered; flowers 5-merous; styles ca. 2 mm; capsules sessile, clustered in a head, adnate to floral cup for 1/4–1/2 of their length. |
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1 L. subcordatum |
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Bracts entire, eglandular; inflorescence terminal, mostly on short branches, 3–16-flowered; flowers 4(or 5)-merous; styles very short; capsules pedicellate, separated, adnate to floral cup for 2/3–3/4 of their length. |
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(2) |
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| 2 (1) |
Leaves glabrescent; peduncle 3–5 mm; capsule 10–14 × 9–10 mm. |
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2 L. lanceum |
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Leaves with scattered stellate hairs, seldom glabrescent; peduncle 8–10 mm; capsule 7–8 × 6–7 mm. |
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3 L. chinense |
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Lower Taxa
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