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Oldenlandia ocellata

Overview

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Vulnerable

Threat status

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.

Habitat

Ecology: Shady rocky slopes and ledges, particularly common in cracks on the limestone pavement on Jebal Saleh. Altitude of 30–500 m .

Readily distinguished from the other cushion-forming species by the curious clear eye at the tip of the succulent leaves and calyces. This window of clear tissue possibly acts as a lense to focus the rays of the sun on photosynthetic cells around the sides of the semi-globose leaf tips. This is comparable to the leaves of the living stones , from the genus Lithops (Aizoaceae) from southern Africa .[1]


List of Habitats :6Rocky areas (eg. inland cliffs , mountain peaks)

Taxonomy

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Notes

Name Status: Accepted Name . Latest taxonomic scrutiny: Govaerts R., 11-Nov-2003

Similar Species

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Members of the genus Oldenlandia

ZipcodeZoo has pages for 345 species, subspecies, varieties, forms, and cultivars in this genus. Here are just 100 of them:

O. accedens · O. acerosa · O. acicularis · O. adscenionis · O. adscensionis · O. aegialodes · O. affinis · O. affinis affinis · O. affinis subsp. fugax · O. albido-punctata · O. albo-nervia · O. alpestris · O. angolensis · O. angustifolia · O. angustifolia var. nigricans · O. apoensis · O. arenarioides · O. aretioides · O. argillacea · O. aridosa · O. ascedens · O. assimilis · O. auricularia · O. auricularia auricularia · O. balfourii · O. banksii · O. barbata · O. barbata var. laxifolia · O. benguetense · O. benguetensis · O. bicornuta · O. biflora (Twoflower Mille Graines) · O. blumeana · O. bodinieri · O. boinensis · O. boiviniana · O. boscii (Bosc's Mille Graines) · O. brachypetala · O. brachyphylla · O. brachypoda · O. bracteosa · O. breviflora · O. butensis · O. caerulescens · O. callitrichoides · O. cana · O. capensis · O. capensis var. capensis · O. capensis var. pleiosepala · O. capillipes · O. capituligera · O. cephalotes · O. chereevensis · O. chevalieri · O. chiovendae · O. chrysotricha · O. ciliata · O. ciliicaulis · O. ciliolata · O. clausa · O. coerulea · O. coerulescens · O. comata · O. consanguinea · O. contracta · O. coprosmoidea · O. corymbosa (Flat-Top Mille Graines) · O. corymbosa var. caespitosa · O. corymbosa var. corymbosa · O. corymbosa var. linearis · O. corymbosa var. microcarpa · O. corymbosa var. nana · O. corymbosa var. subepedunculata · O. cristata · O. crouchiana · O. cryptantha · O. cryptocarpa · O. cyanea · O. cyperoides · O. debilis · O. decaryi · O. decipiens · O. delicata · O. densa · O. densiflora · O. diffusa · O. digyna · O. dinteri · O. dolichostyla · O. drymarioides · O. duemmeri · O. dusenii · O. echinulosa · O. echinulosa var. echinulosa · O. echinulosa var. pellucida · O. elongata · O. erecta · O. erythraeoides · O. esquirolii · O. fasciculata

More Info

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Notes

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Contributors

Data Sources

Accessed through GBIF Data Portal November 08, 2007:

Identifiers

Footnotes

  1. Miller, A. 2004. In IUCN 2008. 2008 IUCN Red List of Threatened Species. IUCNRedList.org. Downloaded July 19, 2008. [back]
Last Revised: 2009-07-03