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(Last Modified On 9/11/2013)
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(Last Modified On 9/11/2013)
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Genus
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Oldenlandia L.
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PlaceOfPublication
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Sp. P1. 119. 1753
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Note
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LECTOTYPE: 0. corymbosa L.
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Description
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Herbs or rarely subshrubs. Leaves callose mucronate at the apex; stipular sheath adnate to the petiole. Inflorescences terminal or pseudo axillary, flowers solitary at the nodes or clustered. Flowers 4-merous, isostylous or heterostylous, the calycine cup dentate; corolla tube often short, often barbate at the mouth; stamens inserted at the base of the corolla lobes or well into the tube, the anthers dorsifixed; style glabrous or pubescent, the stigmas 2, subglobose or elongate, the ovary 2-celled, the ovules numerous on a peltate placenta. Fruits capsular,
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Habit
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Herbs or rarely subshrubs
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Description
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the wall horny, sometimes produced within the calyx into a beak and there de- hiscing loculicidally by a cleft; seeds usually numerous, subglobose or angular, smooth or alveolate.
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Distribution
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occurs throughout warmer areas of the world.
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Note
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It is a genus of about 300 species.
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Key
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a. Leaf blades to 0.3 cm long ...... 1. 0. callitrichoides aa. Leaf blades 1.5-5.5 cm long. b. Leaves with lateral veins evanescent; flowers 1-5 ...... 2. 0. corymbosa bb. Leaves with lateral veins visible; flowers solitary ...... 3. 0. lancifolia
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