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Hedera Linn.

常春藤属

Description from Flora of China

Woody vines, evergreen, hermaphroditic or andromonoecious, creeping or climbing by aerial roots, unarmed. Leaves simple, entire or coarsely lobed, those of fertile shoots differentiated; stipules absent. Inflorescence a terminal, compact raceme of umbels, or occasionally umbels solitary. Pedicels not articulate below ovary. Calyx subentire or 5-toothed. Petals 5, valvate. Stamens 5. Ovary 5-carpellate; styles united into a short column. Fruit a drupe, globose. Seeds ovoid; endosperm ruminate.

Among recent literature the following are relevant: Ackerfield and Wen, A morphometric analysis of Hedera L. (the ivy genus, Araliaceae) and its taxonomic implications (Adansonia, sér. 3, 24: 197-212. 2002); Ackerfield and Wen, Evolution of Hedera (the ivy genus, Araliaceae): insights from chloroplast DNA data (Int. J. Pl. Sci. 164: 593-602. 2003).

Hedera hypoglauca Hance is the basionym of Ampelopsis hypoglauca (Hance) C. L. Li in the Vitaceae (see Fl. China 12).

About 15 species: N Africa, tropical and subtropical Asia, Europe; two species in China.


 

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Flora of China  
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