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Key to families | Table of families and genera
Indexes to all accepted names and synonyms:
| A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z |
Annual, perennial herb, shrub, often armed; caudex present or not. Stem: branched; nodes often angled, swollen. Leaf: 1-compound, opposite, petioled; stipules persistent or not; leaflets entire. Inflorescence: flowers 1–2 in axils. Flower: bisexual; sepals 5, free, persistent or not; petals 5, free, generally spreading, twisted (corolla propeller-like) or not; stamens 10, appendaged on inside base or not; ovary superior, chambers (and lobes) 5–10, each with 1–several ovules, placentas axile. Fruit: capsule or splitting into 5–10 nutlets (= mericarps).
27 genera, ± 250 species: widespread especially in warm, dry regions; some cultivated (Guaiacum, lignum vitae; Tribulus, caltrop). [Sheahan & Chase 2000 Syst Bot 25:371–384] —Scientific Editor: Thomas J. Rosatti.
Key to Zygophyllaceae
Perennial herb, unarmed; caudex woody. Stem: branched, fleshy. Leaf: stipules ± leaf-like or membranous; leaflets 2 [> 2], free, fleshy. Inflorescence: flowers 1–2 in axils. Flower: sepals often unequal, overlapping, deciduous or not; petals ± erect, white, yellow, or orange, base sometimes orange or red. Fruit: capsule, cylindric to spheric, 5-angled, septicidal. Seed: 1–few per chamber.
± 70 species: Eurasia, southern Africa, Australia. (Greek: yoke leaf, from sometimes oblique leaflets)
Previous taxon: Tribulus terrestris
Next taxon: Zygophyllum fabago
Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Apr 24 2015
Citation for this treatment: [Author of taxon treatment] 2013. Zygophyllum, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=9719, accessed on Apr 24 2015
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