Family: Convolvulaceae
Ipomoea
Citation:
L., Sp. Pl. 159 (1753).
Derivation: Greek ips, mistakenly supposed by Linnaeus to mean the bindweed: homoe, like.
Synonymy: Not Applicable Common name: Morning-glories.
Description:
Perennial herbs or shrubs witb trailing or twining stems, rarely erect; leaves entire to deeply lobed.
Inflorescence axillary, with solitary flowers or cymose, bracteolate: sepals 5, free; corolla funnel-shaped entire to slightly 5-lobed, folded in the bud. mid-petaline bands distinct and glabrous or hairy: stamens 5, enclosed or exserted: filaments hairy towards the base: pollen spinulose: ovary glabrous, rarely pilose, 2- or 3-celled, with 2 ovules per cell; style 1, with a capitate or 2-globular stigma.
Capsule globular to ovoid, dehiscing longitudinally into 4-6 valves, rarely splitting irregularly or indehiscent: seeds usually 4 to 6, glabrous or hairy.
Distribution:
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A tropical to warm temperate genus of about 500 species, about 45 species native to and/or naturalised in Australia.
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Biology:
No text
Key to Species:
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1. Leaves palmarely divided to the base |
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I. cairica 1. |
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1. Leaves entire or lobed |
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2. Corolla more than 3 cm long; peduncle long, exceeding the pedicel |
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3. Sepals more than 15 mm long, hairy; ovary 3-celled |
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I. indica 3. |
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3. Sepals less than 15 mm long, glabrous; ovary 2-celled |
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I. muelleri 5. |
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2. Corolla less than 3 cm long; peduncle shorter than the pedicel, often more or less absent |
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4. Erect or decumbent herb; corolla pink, glabrous |
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I. polymorpha 6. |
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4. Stems twining or trailing; corolla white |
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5. Sepals and corolla glabrous; stems coarse, glabrous, trailing |
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I. diamantinensis 2. |
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5. Sepals ciliate; mid-petaline band hairy; plants hairy |
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6. Stems twining; leaves cordate |
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I. racemigera 7. |
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6. Stems trailing, leaves attenuate or rounded at the base |
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I. lonchophylla 4. |
Author:
Not yet available
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