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(Last Modified On 8/9/2013)
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(Last Modified On 8/9/2013)
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Genus
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Anredera Juss.
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PlaceOfPublication
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Gen. P1. 84. 1789.
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Note
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TYPE: A. spicata J. F. Gmelin = A. vesicaria (Lam.) Gaertn. f.
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Synonym
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Boussingaultia H.B.K., Nov. Gen. Sp. P1. 7: 194, tab. 1465 bis. 1825. TYPE: B. baselloides H.B.K. = Anredera baselloides (H.B.K.) Baill. Siebera Presl. in Oken, Isis 21: 275. 1828. TYPE: S. baselloides Presl. Not seen, fide Index Kewensis. Clarisia Abat, Act. Soc. Med. Seville 10: 418. 1792; ex Spreng., Gen. 1: 202. 1820. in syn. nomen Rejic. vs. Clarisia Ruiz & Pavon (1789)-Moraceae. Beriesa Steud., Nom. Bot. ed. 2. 1: 199. 1840. Nomen nudum. Tandonia Moq. in DC., Prodr. 13(2): 226. 1849. TYPE: not designated. Clairisia Benth. & Hook. f., Gen. P1. 3: 78. 1880. in syn. Clarisia Abat. orth. mut.
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Description
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Vines climbing on shrubs, glabrate, mostly slender; rhizomes sometimes with fleshy tubers. Leaves ovate or elliptical, sometimes succulent, sometimes drying dark, pinnately few veined; petiolate; exstipulate. Inflorescences axillary, some- times more or less terminal sparingly branched, lax racemes, the pedicels short, slender, subtended by linear bracts, the flowers subtended by 2 or 4 decussate sometimes basally connate bracteoles. Flowers perhaps sometimes unisexual, perianth 5-parted, basally connate; stamens 5, inserted at the base of the calyx lobes, the anthers oblong, versatile, basifixed; ovary globose or ovoid, 1-locular, sometimes partially partitioned, with 1 basal, campylotropous ovule, the styles basally united, short, the stigmas 3, linear or clavate, sometimes only small porrect lobes on the style, sometimes bifid. Fruit globose, enclosed by the perianth, sometimes samaroid within the accrescent bracteoles; seed reportedly globose or reniform.
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Habit
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Vines
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Note
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Anredera in the strict sense is monotypic with only the species treated here. However, recent writers follow Baillon (1888) and van Steenis (1957) in uniting with Boussingaultia H.B.K. and Tandonia Moq., which have subglobose rather than samaroid fruits. Van Steenis stressed that the accrescence of the perianth in fruit is the only feature which separates these elements, and that shape of style branches and other features relied upon by Moquin and Hauman (1923-5) sometimes are not even of specific import. Van Steenis' designation of Anredera baselloides (H.B.K.) Baill. as lectotype of sect. Tandonia (Moq.) Volk. (not in Panama) cannot be accepted as Moquin placed this species in a different genus, Boussingaultia. An acceptable lectotype is still to be designated.
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