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IBSC | Family List | Angiospermae | Loranthaceae

Helixanthera Lour.

离瓣寄生属

Description from Flora of China

Shrubs parasitic, glabrous or with stellate hairs and glabrescent. Leaves opposite or alternate, rarely subwhorled, pinnately veined. Inflorescences axillary, rarely terminal, racemes or spikes; 1 bract subtending each flower. Flowers bisexual, 4-6-merous, actinomorphic, sessile or pedicellate. Calyx limb 4-6-denticulate, persistent. Mature flower bud straight, basal 1/2 usually slightly inflated and angled, distal portion usually subclavate. Corolla red, pink, orange, or yellowish, petals free, straight, spreading. Stamens usually inserted at middle of the petals. Filaments short; anthers 2-4-loculed, sometimes multilocellate, ellipsoid. Pollen grain semiangular or semilobate in polar view. Ovary 1-loculed; placentation basal. Style subcylindric, 4-6-angled; stigma capitate or truncate. Berry ovoid or ellipsoid, exocarp leathery, smooth or pubescent.

Barlow (Fl. Malesiana, Ser. 1, Spermatoph. 13: 328. 1997) estimated the global number of species to be 35.

Up to 50 species: tropical and subtropical Africa and Asia; seven species (two endemic) in China.

Lower Taxon


 

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