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(Last Modified On 3/12/2013)
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(Last Modified On 3/12/2013)
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Species
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WISSADULA EXCELSIOR (Cav.) Presl
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PlaceOfPublication
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Rel Haenk. 2: 118, t.69(a-m). 1835.
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Synonym
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Sida excelsior Cav., Mon. Cl. Diss. Dec. 27, t. 5 (3). 1785.
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Description
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Herb or shrub, the stem erect, 0.6-2.4 m high, sparingly branched above, cov- ered with 2 tiers of hairs, the lower tier of dense, minute, whitish or canescent, stellate hairs, the upper one of longer, stipitate, ferruginous, stellate hairs, the indumentum very dense when young. Leaves with the petiole much shorter than the blade, 0.25-8.5 cm long, covered with the same indumentum as the young branchlets, the stipules linear-subulate, 3-6 mm long; blade ovate or oblong-ovate, sometimes narrowly so, rounded or truncate or shallowly cordate with a very open sinus at the base, long-acuminate at the apex, the acumen acute or mostly blunt, entire-margined, 5-15 cm long and 2-8.5 cm broad, gradually smaller toward the apex, chartaceous, strongly discolorous, commonly 5-palminerved, the venation reticulate, the upper surface green or dark green, scabridulous, sparsely appressed- puberulus with simple and stellate hairs, at length glabrescent, and with the vena- tion impressed, the lower surface pale, with 2 tiers of hairs, the lower tier minutely stellate-tomentellous with whitish or canescent hairs, the upper one ferruginous- stellate-pubescent with longer, stipitate hairs, the ferruginous hairs especially dense along the veins, and with the venation prominent. Inflorescences paniculi- form, usually Dc-flowered, elongate, the axes and pedicels covered with the same indumentum as the young branchlets. Flowers rather short-pedicellate, the pedicel 0.5-1 cm long or shorter, slightly longer in fruit; calyx campanulate, lobed to about the middle, ca 3-4 mm long, covered with 2 tiers of hairs, minutely whitish- stellate-tomentellous and ferruginous-stellate-pubescent, the lobes deltoid, acute, ca 1.5-2 mm long and 1.2-1.5 mm broad at the base; petals obovate, 4-5 mm long and 2-3 mm broad, pale yellow, the claw minutely ciliolate; androecium ca 3-4 mm long, the staminal tube ca 1.5 mm long; styles ca 3.5-4 mm long, connate basally or almost free. Fruit turbinate, 5-lobed, constricted below the middle, the mericarps 5(6), 7-8 mm long, rigid-chartaceous, blackish at maturity, minutely puberulus, apiculate, the apiculum 0.5-0.8 mm long; seeds reniform-subglobose, 1.8-2 mm long, minutely puberulus but whitish-pilose around the hilum.
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Habit
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Herb shrub
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Distribution
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Cuba and southern Mexico to Peru and Brazil; trails and clearings, roadsides, moist thickets, brushy fields and slopes.
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Project Name
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