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Spermacoce brevidens

Description

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Family Rubiaceae

The Rubiaceae are trees , shrubs , or infrequently herbs comprising about 450 genera and 6,500 species, including some lianous forms. The leaves are simple and usually entire , and are opposite or sometimes whorled ; stipules are present and interpetiolar . The flowers are nearly always bisexual and actinomorphic , often heterostylous, and usually are in cymose inflorescences. The calyx is mostly somewhat reduced and 4-5-lobed or sometimes the lobes are obsolete or rarely one of them greatly expanded and brightly colored . The sympetalous corolla is mostly 4-5-lobed, occasionally with 3 or up to 10 lobes. The androecium consists of as many stamens as corolla lobes and is adnate to the corolla tube or epigynous zone, alternate with the lobes. The gynoecium consists of a single compound pistil of 2 or seldom more carpels, a single style , and a nearly always inferior ovary with the number of locules equaling the number of carpels, each with 1-many axile ovules. An epigynous nectary disk is usually present. The fruit is variable, sometimes forming multiples . -- Gerald Carr.

Taxonomy

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Similar Species

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Members of the genus Spermacoce

There are approximately 363 species in this genus. Here are just 100 of them:

S. abyssinica · S. adscendens · S. alata (Borreria) · S. alternans · S. angustifolia · S. annua · S. anthospermoides · S. aprica · S. aquatica · S. arenicola · S. aretiodes · S. aretioides · S. argentea · S. argillacea · S. arida · S. aristeguietiana · S. articularis · S. arvensis · S. ascendens · S. asperula · S. assirgens · S. aurantiseta · S. auriculata · S. avenia · S. azurea · S. bahamensis · S. bahiana · S. baileyana · S. balansae · S. bambusicola · S. bangweolensis · S. bequaertii · S. berteroana · S. bisepala · S. bolivarensis · S. brachiata · S. brachyantha · S. brachysepala (West Indian False Buttonweed) · S. brachystema · S. brachystema subvar. brachystema · S. brachystema subvar. chillagoensis · S. brachystema subvar. tryonii · S. brachystema var. brachystema · S. brachystemodes · S. brachystemonoides · S. bradei · S. brassii · S. brevidens · S. breviflora · S. brittonii · S. brownii · S. buchneri · S. buckleyi · S. burmanni · S. burmannii · S. buruensis · S. caerulea · S. caerulescens · S. calyptera · S. campacta · S. capillaris · S. capitata (Baldhead False Buttonweed) · S. capitata var. tenella · S. cardiophora · S. carolinensis · S. casmae · S. cassuangensis · S. cataractarum · S. caudata · S. centranthodes · S. cephalophora · S. chacoensis · S. chaetocephala · S. chartensis · S. clinopodioides · S. coerulea · S. confertifolia · S. congensis · S. congestanthera · S. constricta · S. cristulata · S. cupularis · S. cylindrata · S. daphnoides · S. dasycephala (Carretilla) · S. debilis · S. decipiens · S. decurrens · S. delicatula · S. denseflora · S. densiflora (Bouquet False Buttonweed) · S. denticulata · S. depressa · S. deserti · S. dibrachiata · S. dimorpha · S. discreta · S. divaricata · S. dolichosperma · S. dussii

More Info

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Notes

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Contributors

Data Sources

Accessed through GBIF Data Portal March 16, 2008:

Identifiers

Last Revised: 2008-10-18