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Zygophyllum L. Search in The Plant ListSearch in IPNISearch in Australian Plant Name IndexSearch in Index Nominum Genericorum (ING)Search in NYBG Virtual HerbariumSearch in JSTOR Plant ScienceSearch in SEINetSearch in African Plants Database at Geneva Botanical Garden Decrease font Increase font Restore font
 

Published In: Species Plantarum 1: 385. 1753. (1 May 1753) (Sp. Pl.) Name publication detailView in BotanicusView in Biodiversity Heritage Library
 

Project Name Data (Last Modified On 6/2/2011)
Acceptance : Accepted
Project Data     (Last Modified On 6/3/2011)
General/Distribution: A genus of about 100 species; distributed in deserts and steppes from Mediterranean to Central Asia, South Africa and Australia.

 

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Perennial, rarely annual, diffusely branched, xerophytic or halophytic undershrubs or prostrate herbs. Leaves opposite, usually 1-2-foliolate, rarely more than 2-foliolate or simple: stipules rarely thorny; leaflets cylindrical or flat, usually fleshy or leathery. Flowers solitary axillary, pedicellate, actinomorphic, hypogynous, 4-5-merous, white or yellow, sometimes with a purple or red basal spot; disc fleshy, angular, cup-shaped or concave. Sepals 4-5, persistent or deciduous, imbricate. Petals 4-5, free, with or without a claw, imbricate or contorted. Stamens 8-10, inserted at the base of the disc, filaments usually longer than petals, filiform, usually appendaged with a membranous scale within the base, rarely unappendaged, anthers oblong-ovate to rotundate. Carpels 4-5, united; ovary sessile, 4-5-angled, (2.3-) 4-5-loculed, each locule with 2 or more, superposed, pendulous ovules; style angular, stigma minute. Fruit 4-5-angled or winged, septicidal, loculicidal or indehiscent capsule, with 1 or more seeds in each locule. Seeds pendulous, endospermous; embryo straight with oblong cotyledons.
 

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1 Leaves pinnately bifoliolate (2)
+ Leaves simple (3)
2 (1) Leaflets oblong-cylindric to semi-cylindric, 5-10 mm long. Flowers c. 6. 6-8 mm across. Capsule narrowly oblong, 10-13 mm long
+ Leaflets flat, obovate-oblong, 15-26 mm long. Flowers c. 10 mm across. Capsule oblong-cylindric, 20-25 mm long Zygophyllum fabago
3 (1) Perennial, 50-250 cm tall shrubs. Leaves flat, oblong-obovate-spathulate or subrotundate to almost rotundate. Capsule large, 4-5-winged (4)
+ Annual, less than 20 cm tall, pale-green herb. Leaves oblong-cylindric, sessile. Capsule small, turbinate, pentagonal, without wings Zygophyllum simplex
4 (3) Flowers pentameous. Stamens 10. Capsule 5-winged (5)
+ Flowers tetramerous. Stamens 8. Capsule 4-winged Zygophyllum eurypterum
5 (4) Flowers creamy white; pedicel c. 10 mm long Sepals equal in size. Staminal scale oblong. Capsule 1.5-2 (-2.5) cm broad Zygophyllum atriplicoides
+ Flowers yellow; pedicel c. 4 mm long. Sepals unequal in size. Staminal scales ovate. Capsule 3-4.5 cm long, 3-4 cm broad Zygophyllum megacarpum
 
 
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