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2. Sarcococca Lindley, Edwards’s Bot. Reg. 1012. 1826.
野扇花属 ye shan hua shu
Shrubs, evergreen, monoecious; branches erect. Leaves alternate, shortly petiolate, leathery, margin entire, venation pinnate or palmately triplinerved. Inflorescences axillary or terminal, capitate or racemose, bracteate; male flowers several, inserted laterally in apical part; female flowers several, inserted basally; sometimes male or female flowers solitary in inflorescence. Flowers small, white or rose. Male flowers mostly with 2 bracteoles; tepals 4, divided into inner and outer series; stamens 4, opposite to tepals; filaments exserted, slightly compressed; sterile pistil 1, oblong, 4-ribbed, apex depressed. Female flowers pedicellate; bracteoles several, imbricate; tepals 4-6, decussate or 3 segments verticillate; interstylar nectaries or nectariferous tissue lacking; ovary 2- or 3-locular; styles 2 or 3, short, erect initially, later curved; stigma decurrent. Drupe ovoid or globose; exocarp fleshy or subdry; endocarp fragile; persistent style short, ca. 2 mm. Seeds 1 or 2, subglobose; testa membranous; endosperm fleshy.
About 20 species: Asia, one species in Central and North America (Guatemala, Mexico); nine species (five endemic) in China.
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| 1 |
Young branches distinctly pubescent |
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(2) |
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Young branches glabrous or slightly puberulent only under microscope |
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(5) |
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| 2 (1) |
Inflorescence racemose or shortly racemose |
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(3) |
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Inflorescence subcapitate or globose, ca. 1 cm |
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(4) |
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| 3 (2) |
Plants with fibrous roots; leaves ovate, ovate-lanceolate, or lanceolate, basal lateral veins a pair to triplinerved; capsule scarlet or black-brown. |
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6 S. ruscifolia |
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Plants with rhizome; leaves lanceolate or oblanceolate, lateral veins pinnate; capsule black or blue-black. |
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7 S. hookeriana |
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| 4 (2) |
Leaf blade oblong-lanceolate or oblong-oblanceolate, 6-9 × 2-3 cm; inflorescence subcapitate, ca. 1 cm; male flower sessile. |
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8 S. orientalis |
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Leaf blade elliptic, (5.5-)7-8.5 × 2-2.9 cm; inflorescence globose, 1-1.5 cm; male flower shortly pedicellate. |
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9 S. confertiflora |
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| 5 (1) |
Leaf blade wider, usually elliptic, elliptic-oblong, or elliptic-lanceolate, length:width ratio 2.5-3:1, venation distinctly triplinerved |
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(6) |
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Leaf blade narrow and long, usually lanceolate or oblong-lanceolate, length:width ratio 4-5:1, venation indistinctly triplinerved or pinnate |
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(7) |
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| 6 (5) |
Leaf blade 6-10(-12) × 2-3.5(-5) cm, triplinerved and distance from base 2-5 mm; tepals 3-4 mm in male flower; styles 2 or 3. |
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4 S. wallichii |
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Leaf blade 8-16(-20) × 4-6 cm, triplinerved and distance from base 1.5-2 mm; tepals ca. 2 mm in male flower; styles 2. |
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5 S. vagans |
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| 7 (5) |
Petiole 5-8 mm; styles 3; young branches glabrous. |
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1 S. saligna |
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Petiole 10-18 mm; styles 2; young branches glabrous or slightly puberulent under microscope |
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(8) |
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| 8 (7) |
Young branches slightly puberulent under microscope; leaf blade thinly leathery, 1.5-2.5 cm wide, venation triplinerved; male flower with 2 bracteoles. |
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2 S. longipetiolata |
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Young branches glabrous; leaf blade papery, 2.5-3.7 cm wide, venation pinnate; male flower bracteoles absent. |
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3 S. longifolia |
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List of lower taxa
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Treatments in Other Floras @ www.efloras.org
Other Databases
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