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Datura 'Eryngium Blue'

(Devils Trumpet, Downy Thorn Apple, Horn of Plenty)

Common Names

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Common Names in English:

Devils Trumpet, Downy Thorn Apple, Horn of Plenty

Description

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Family Solanaceae

Herbs, shrubs , small trees , or climbers . Stems sometimes prickly, rarely thorny; hairs simple , branched, or stellate , sometimes glandular . Leaves alternate, solitary or paired , simple or pinnately compound , without stipules; leaf blade entire , dentate , lobed , or divided . Inflorescences terminal , overtopped by continuing axes, appearing axillary , extra-axillary , or leaf opposed, often apparently umbellate , racemose, paniculate , clustered, or solitary flowers, rarely true cymes, sometimes bracteate . Flowers mostly bisexual , usually regular, 5-merous, rarely 4- or 6-9-merous. Calyx mostly lobed. Petals united . Stamens as many as corolla lobes and alternate with them, inserted within corolla, all alike or 1 or more reduced; anthers dehiscing longitudinally or by apical pores . Ovary 2-5-locular; placentation mostly axile ; ovules usually numerous . Style 1. Fruiting calyx often becoming enlarged, mostly persistent . Fruit a berry or capsule. Seeds with copious endosperm; embryo mostly curved .

About 95 genera with 2300 species: best represented in western tropical America, widespread in temperate and tropical regions ; 20 genera (ten introduced ) and 101 species in China.

Some species of Solanaceae are known in China only by plants cultivated in ornamental or specialty gardens: Atropa belladonna Linnaeus, Cyphomandra betacea (Cavanilles) Sendtner, Brugmansia suaveolens (Willdenow) Berchtold & Presl, Nicotiana alata Link & Otto, and Solanum jasminoides Paxton.Zhi-Yun Zhang, Anmin Lu & William G. D'Arcy "Solanaceae". in Flora of China Vol. 17 Page 300. Published by Science Press (Beijing) and Missouri Botanical Garden Press. Online at EFloras.org.

Genus Datura

Shrubs or annual or perennial herbs; pubescence of simple sometimes glandular hairs . Leaves petiolate ; leaf blade simple, entire or sinuate-dentate. Inflorescences solitary flowers in leaf axils or in branch forks; peduncle , bracts, and bracteoles absent. Flowers actinomorphic , large. Pedicel often stout. Calyx long tubular or cylindric , often circumscissile near base . Corolla elongated, funnelform ; lobes sometimes cuspidate . Anthers mostly elongated, dehiscing longitudinally, included . Ovary 2-4-locular. Fruit a dry capsule, 4-valved or irregularly dehiscent , prickly or unarmed , often subtended by remnants of persistent calyx. Seeds numerous , laterally compressed ; embryo curved .

About 11 species: North and South America, three species in China."Datura". in Flora of China Vol. 17 Page 330. Published by Science Press (Beijing) and Missouri Botanical Garden Press. Online at EFloras.org.

Physical Description

Flowers: Bloom Period: April, May, June, July, August. • Flower Color: purple

Size/Age/Growth

Size: 4-6' tall.

Biology

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Growth

Culture: Space 6-9" apart.

Sunlight: Sun Exposure: Full Sun .

Taxonomy

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Similar Species

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Members of the genus Datura

There are approximately 150 species in this genus. Here are just 100 of them:

D. cubensis · D. 'Eryngium Blue' (Devils Trumpet) · D. 'Lilac Le Fleur' (Common Thorn-Apple) · D. acaulis · D. aegyptiaca · D. affinis · D. alba · D. albido-flava · D. albidoflava · D. albiflora · D. arborea · D. arborea L. 'Chlorantha' · D. aurea · D. bernhardii · D. bernhardtii (Devils Trumpet) · D. bertolonii · D. bojeri · D. cabanesi · D. candida · D. capensis · D. carthaginensis · D. ceratocaula (Devils Trumpet) · D. chlorantha · D. cornigera · D. cornucopia · D. cubensis · D. de-noteri · D. discolor (Desert Thorn Apple) · D. dolichocarpa · D. dubia · D. erinacea · D. eximia · D. fastuosa 'Double Golden' (Devils Trumpet) · D. fastuosa var. flaviflora · D. fastuosa var. varia · D. ferocissima · D. floribunda · D. frutescens · D. fruticosa · D. gardneri · D. gigantea · D. guayaquilensis · D. humilis · D. hummatu · D. hybrida · D. inermis (Smoooth Thorn-Apple) · D. innoxa · D. innoxia (Angel's Trumpet) · D. innoxia Mill. var. innoxia Mill. · D. inoxia (Devils Trumpet) · D. inoxia 'Evening Fragrance' (Datura) · D. inoxia 'Missouri Marble' (Variegated Evening Trumpet) · D. inoxia inoxia · D. insignis · D. knightii · D. kymatocarpa (Datura) · D. laevis · D. lanosa · D. leichhardtia pruinosa · D. leichhardtii (Devils Trumpet) · D. leichhardtii pruinosa · D. leichhardtii subsp. pruinosa · D. longifolia · D. loricata · D. lurida · D. macrocaulis · D. maxima · D. metaloides (Jimsonweed) · D. metel 'Alba' (Devils Trumpet) · D. metel 'Atropurpurea' · D. metel 'Aurea' (Devils Trumpet) · D. metel 'Ballerina Purple' (Ballerina Purple Angel's Trumpet) · D. metel 'Ballerina Yellow' (Devils Trumpet) · D. metel 'Belle Blanche' (Devils Trumpet) · D. metel 'Black Currant Swirl' (Devils Trumpet) · D. metel 'Cherub' · D. metel 'Cornucopaea' (Devils Trumpet) · D. Metel 'D. Beej' · D. metel 'Double Cream' (Devils Trumpet) · D. metel 'Double Eryngium Blue' · D. metel 'Double Golden Queen' (Devils Trumpet) · D. metel 'Double Lavender' (Devils Trumpet) · D. metel 'Double Purple' (Devils Trumpet) · D. metel 'Double White Lady' (Devils Trumpet) · D. metel 'Flore Pleno' · D. metel 'Frilled Double Purple' (Devils Trumpet) · D. metel 'La Fleur Lilas' · D. metel 'Purple Petticoats' (Devils Trumpet) · D. metel 'Triple Yellow' (Devils Trumpet) · D. metel var. dentata · D. metel var. fastuosa (Devils Trumpet) · D. metel var. flaviflora · D. metel var. muricata (Devils Trumpet) · D. microcarpa · D. mollis · D. muricata · D. nanakii · D. nigra · D. nilhummatu · D. parviflora

Bibliography

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More Info

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Notes

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Contributors

Identifiers

Footnotes

Last Revised: 2008-10-03