Cynanchum insipidum (Cynanchum insipidum)
Description
Pentarrhinum insipidum,stem twining,usually puberulous,sometimes glabrous;leaves spreading;petiole /? in.long;blade /? in.long,/? in.broad,cordate-ovate,acute or acuminate,with broadly rounded basal lobes,glabrous on both sides;peduncles lateral at the nodes,? in.long,usually puberulous along one side,occasionally glabrous;corymbs ? / in.in diam.,the axis elongating into a raceme as the flowers develop;bracts /? lin.long,subulate,deciduous;pedicels ?0 lin.long,puberulous;sepals ? / lin.long,lanceolate,acute,more or less puberulous,ciliate;corolla reflexed;lobes about lin.long,? / lin.broad,oblong,obtuse,glabrous on both sides,minutely ciliate,green or with the apical half more or less suffused with purple brown;corona-lobes about lin.long,equalling the staminal column,obconic,thick and fleshy,narrowly channelled down the face,truncate,with a slightly projecting rim at the top,from whence a stout central subulate tooth is directed forwards over the tips of the anthers,cream-colour or yellow;follicles solitary, /? / in.long,about / in.thick,lanceolate,acute or acuminate into a beak,more or less tuberculate-echinate,puberulous or glabrous;seeds ? / lin.long, lin.broad,ovate,plano-convex,with a thin wing-like margin,toothed at the broadest end,rugose or subreticulate on both sides with short irregular linear ridges,brown,glabrous.
Taxonomic tree
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Domain: Eukarya
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Kingdom: Plantae
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Phylum:
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Class: Magnoliopsida
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Order: Gentianales
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Family: Apocynaceae
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Genus: Cynanchum
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