Family: Convolvulaceae
Convolvulus
Citation:
L., Sp. Pl. 153 (1753).
Derivation: Latin name of some bindweed; from convolvere, to roll together or entwine.
Synonymy: Not Applicable Common name: None
Description:
Perennials, rarely annuals, with trailing or twining stems rarely erect; leaves entire to deeply lobed, often hastate or sagittate.
Inflorescence axillary, bracteolate, cymose, with 1 to few flowers or rarely in dense heads; sepals 5, free; corolla funnel-shaped or campanulate, entire to slightly 5-lobed, mid-petaline bands hairy, rarely glabrous; stamens 5; filaments terete above, flattened and dilated downwards, tuberculate at the base; pollen smooth; ovary 2-celled with 2 ovules per cell; style 1, with 2 linear or oblong stigmas.
Capsule ovoid to globular, dehiscing longitudinally into 4 valves or opening irregularly; seeds usually 4, often verrucose, usually glabrous.
Distribution:
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Mainly temperate and subtropical genus of c. 250 species, 4 native to and 1 naturalised in Australia.
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Biology:
No text
Key to Species:
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1. Leaves with only basal lobes, terminal lobe entire |
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2. Calyx less than 3 mm long, glabrous |
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C. sp. A. 4. |
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2. Calyx 3-6 mm long, glabrous or hairy |
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3. Plants with appressed hairs; sepals sericeous, apiculate |
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C. remotus 3. |
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3. Plants glabrous or with ascending hairs; sepals glabrous or sparsely hairy, rounded to retuse |
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C. arvensis 1. |
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1. Leaves serrate or lobed, or if with 2 pairs of basal lobes then hairs ascending not appressed |
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4. Leaves serrate or shallowly ,lobed, with hairs dense and more or less appressed |
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C. sp. B. 5. |
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4. Leaves usually deeply lobed; hairs erect or ascending |
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C. erubescens 2. |
Author:
Not yet available
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