3. Quadrella (de Candolle) J. Presl in F. Berchtold and J. S. Presl, Prir. Rostlin. 2: 260. 1825.
[Latin quadra, a square, and -ella, diminutive, alluding to perianth] [Latin quadra, a square, and -ella, diminutive, alluding to perianth]
Capparis Linnaeus sect. Quadrella de Candolle in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. 1: 251. 1824; Capparis subg. Quadrella (de Candolle) Eichler
Shrubs or trees [rarely vines], evergreen [deciduous]; lepidote (scales peltate) and/or hairy (trichomes stellate). Stems erect. Leaves: alternate; petiole relatively long or short, nectaries present or not; blade ovate to ovate-elliptic or narrowly to broadly elliptic, or lanceolate, margins entire. Inflorescences terminal or axillary, racemes or corymbs. Flowers: sepals equal [2 unequal pairs], each often subtending a nectary; stamens 8 or 18-30[-60]; filaments inserted on ± flat receptacle; anthers ellipsoid; gynophore slender, elongating in fruit. Capsules dehiscent or not, linear-cylindric, ovoid, obovoid, or globose (thick-walled). Seeds 1-many, usually reniform, not arillate. x = 8 [10].
Species ca. 25 (2 in the flora): s, se United States, Mexico, West Indies, Central America, n South America.
