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Tecoma x smithii

Description

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Family Bignoniaceae

Trees , shrubs , or vines , climbers rarely herbs. Leaves opposite, alternate, or whorled , simple or pinnately compound , rarely palmately compound , without stipules, climbers usually with tendrils modified sometimes into hooks or suckers . Inflorescences cymose , paniculate , or racemose, terminal or axillary , rarely flowers borne on old stems; bracts and bractlets present, sometimes deciduous. Flowers bisexual , zygomorphic, usually large. Calyx campanulate or tubular , truncate , 2-5-dentate, or glandular subulate-dentate. Corolla campanulate or funnelform , usually bilabiate; lobes 5, imbricate or valvate . Fertile stamens 4 (didynamous ) and staminode 1, or 2 and staminodes 3, rarely all 5 stamens fertile. Disc fleshy . Ovary superior, 2-locular, rarely 1- or 4-locular; placentation axile or parietal ; ovules numerous . Style filiform ; stigma 2-lobed. Capsule dehiscing loculicidally or septicidally, rarely fruit fleshy and indehiscent. Seeds numerous, usually winged or with tufts of hairs at both ends; endosperm absent.

About 116-120 genera and 650-750 species: mostly in tropical and subtropical regions; 12 genera and 35 species (21 endemic) in China.

Plants of the Bignoniaceae usually produce large flowers, and many species are widely cultivated in China as ornamentals . These include Arrabidaea magnifica Sprague ex Steenis, Campsis radicans (Linnaeus) Seemann, Catalpa speciosa (Warder ex Barney) Engelmann, Clytostoma callistegioides (Chamisso) Bureau & Schumann, Crescentia alata Kunth, C. cujete Linnaeus, Jacaranda cuspidifolia Martius, J. mimosifolia D. Don, Kigelia africana (Lamarck) Bentham, Macfadyena unguis-cati (Linnaeus) A. H. Gentry, Pandorea jasminoides (Linnaeus) Schumann, Parmetiera cerifera Seemann, Podranea ricasoliana (Tanfani) Sprague, Pyrostegia venusta (Ker-Gawler) Miers, Spathodea campanulata Beauvois, Stenolobium stans (Linnaeus) Seemann, Tabebuia chrysantha (Jacquin) G. Nicholson, T. rosea (Bertoloni) de Candolle, and Tecomaria capensis (Thunberg) Spach.[1]

Physical Description

Habit: Evergreen .

Flowers: Bloom Period: April, May, June, July, August, September, October, November. • Flower Color: orange, yellow

Size/Age/Growth

Size: 8-10' tall.

Biology

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Growth

Sunlight: Sun Exposure: Full sun .

Moisture: Drought Tolerance: High

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

Taxonomy

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Similar Species

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Members of the genus Tecoma

ZipcodeZoo has pages for 11 species, subspecies, varieties, forms, and cultivars in this genus:

T. capensis (Cape Honeysuckle) · T. castanifolia (Chestnutleaf Trumpetbush) · T. jasminoides (Bowerplant) · T. laurifolia (Mormyrids) · T. slans (Yellow Elder) · T. stans (Ginger-Thomas) · T. stans var. angustata (Yellow Bells) · T. stans 'Gold Star' (Ginger-Thomas) · T. 'Orange Jubilee' (Orange Esperanza) · T. 'Sunrise' (Esperanza) · T. 'Tangerine' (Tecoma Stans)

More Info

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Further Reading

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Notes

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Contributors

Identifiers

Footnotes

  1. Zhi-Yun Zhang & Thawatchai Santisuk "Bignoniaceae". in Flora of China Vol. 18 Page 213. Published by Science Press (Beijing) and Missouri Botanical Garden Press. Online at EFloras.org. [back]
Last Revised: 2014-05-12