Difference between revisions of "Paliurus"
Gard. Dict. Abr. ed. 4, vol. 3. 1754.
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|distribution=Tex.;Europe;e Asia. | |distribution=Tex.;Europe;e Asia. | ||
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|discussion=<p>Species 5 (1 in the flora).</p><!-- | |discussion=<p>Species 5 (1 in the flora).</p><!-- | ||
--><p>The fruit of <i>Paliurus</i> was described by C. Schirarend and M. N. Olabi (1994) as a dry, indehiscent drupe. The gynoecium base in <i>Paliurus</i> begins to swell laterally following fertilization, forming a persistent, disciform, cupulate, or hemispheric wing of varying thickness (D. O. Burge and S. R. Manchester 2008). This enlarged and winglike receptacle is diagnostic of the genus.</p> | --><p>The fruit of <i>Paliurus</i> was described by C. Schirarend and M. N. Olabi (1994) as a dry, indehiscent drupe. The gynoecium base in <i>Paliurus</i> begins to swell laterally following fertilization, forming a persistent, disciform, cupulate, or hemispheric wing of varying thickness (D. O. Burge and S. R. Manchester 2008). This enlarged and winglike receptacle is diagnostic of the genus.</p> | ||
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|special status=Introduced | |special status=Introduced | ||
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|genus=Paliurus | |genus=Paliurus | ||
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Latest revision as of 19:14, 5 November 2020
Shrubs [or trees], sometimes clambering, armed with stipular spines; bud scales present. Leaves deciduous [persistent], alternate; blade not gland-dotted; 3-veined from base (acrodromous), secondary veins distal to basal veins well developed. Inflorescences axillary, cymes; peduncles and pedicels not fleshy in fruit. Pedicels present. Flowers bisexual; hypanthium hemispheric to patelliform, 2–3 mm wide; sepals 5, spreading, pale yellow, deltate, keeled adaxially; petals 5, white, hooded, obovate, clawed; nectary fleshy, filling hypanthium, margin entire or 5-angled; stamens 5; ovary 1/2-inferior, 2–3-locular; styles 2–3, connate proximally. Fruits samaras. x = 12.
Distribution
Introduced; Tex., Europe, e Asia.
Discussion
Species 5 (1 in the flora).
The fruit of Paliurus was described by C. Schirarend and M. N. Olabi (1994) as a dry, indehiscent drupe. The gynoecium base in Paliurus begins to swell laterally following fertilization, forming a persistent, disciform, cupulate, or hemispheric wing of varying thickness (D. O. Burge and S. R. Manchester 2008). This enlarged and winglike receptacle is diagnostic of the genus.