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Datura metel 'Double Purple'

(Devils Trumpet)

Interesting Facts

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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.[1]

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.[2]

Physical Description

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

Size/Age/Growth

Size: 4-6' tall.

Biology

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Growth

Culture: Space 6-9" apart.

Sunlight: Sun Exposure: Full Sun .

Temperature: Cold Hardiness: 9a, 9b, 10a, 10b, 11. (map)

Taxonomy

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Notes

A tentatively accepted name in the RHS Horticultural Database.

Similar Species

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Members of the genus Datura

ZipcodeZoo has pages for 47 species, subspecies, varieties, forms, and cultivars in this genus:

D. arborea (Maikoa) · D. bernhardtii (Devils Trumpet) · D. candida (Angel's-Trumpet) · D. ceratocaula (Devils Trumpet) · D. discolor (Desert Thorn Apple) · D. fastuosa 'Double Golden' (Devils Trumpet) · D. inermis (Smoooth Thorn-Apple) · D. innoxia (Angel's Trumpet) · D. inoxia (Devils Trumpet) · D. inoxia inoxia (Downy Thornapple) · D. inoxia 'Evening Fragrance' (Datura) · D. inoxia 'Missouri Marble' (Variegated Evening Trumpet) · D. kymatocarpa (Datura) · D. leichhardtii (Devils Trumpet) · D. metaloides (Jimsonweed) · D. metel var. fastuosa (Devils Trumpet) · D. metel var. muricata (Devils Trumpet) · D. metel 'Alba' (Devils Trumpet) · 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 'Cornucopaea' (Devils Trumpet) · D. metel 'Double Cream' (Devils Trumpet) · 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 'Frilled Double Purple' (Devils Trumpet) · D. metel 'Purple Petticoats' (Devils Trumpet) · D. metel 'Triple Yellow' (Devils Trumpet) · D. pruinosa (Datura) · D. quercifolia (Chinese Datura) · D. reburra (Datura) · D. seraticaula (Devils Trumpet) · D. stramonium (Jamestown Weed) · D. stramonium subsp. stramonium (Purple Thorn-Apple) · D. stramonium var. stramonium (Common Thorn-Apple) · D. suaveolens (Angel's Trumpet Tree) · D. tatula var. inermis (Devils Trumpet) · D. versicolor (Peach Angel's-Trumpet) · D. wrightii (Devils Trumpet) · D. wrightii 'High Altitude Form' (Devils Trumpet) · D. x candida (Angel's Trumpet) · D. 'Eryngium Blue' (Devils Trumpet) · D. 'Lilac Le Fleur' (Common Thorn-Apple)

More Info

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Further Reading

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Notes

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Contributors

Identifiers

Footnotes

  1. 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. [back]
  2. "Datura". in Flora of China Vol. 17 Page 330. Published by Science Press (Beijing) and Missouri Botanical Garden Press. Online at EFloras.org. [back]
Last Revised: 7/21/2012