Difference between revisions of "Ximenia americana var. americana"
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|accepted_name=Ximenia americana var. americana | |accepted_name=Ximenia americana var. americana | ||
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|special_status={{Treatment/ID/Special_status | |special_status={{Treatment/ID/Special_status | ||
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|elevation=0–30 m. | |elevation=0–30 m. | ||
|distribution=Fla.;Mexico;West Indies;Central America;South America;Asia;Africa;Indian Ocean Islands;Pacific Islands;Australia. | |distribution=Fla.;Mexico;West Indies;Central America;South America;Asia;Africa;Indian Ocean Islands;Pacific Islands;Australia. | ||
| − | |discussion=<p>R. A. DeFilipps (1968, 1969) recognized three varieties of <i>Ximenia americana</i>, with the pantropical < | + | |discussion=<p>R. A. DeFilipps (1968, 1969) recognized three varieties of <i>Ximenia americana</i>, with the pantropical <i></i>var.<i> americana</i> occurring in peninsular Florida. The other varieties occur in Argentina (var. argentinensis DeFilipps) and Africa (<i></i>var.<i> microphylla</i> Welwitsch ex Oliver). From greenhouse pot studies, DeFilipps (1969b) determined that <i>X. americana</i> is able to exist without a host, thus it should be considered a facultative hemiparasite. The flowers are fragrant and presumably insect pollinated. The anthers dehisce before the flower bud opens and the adaxial hairs on the petals may serve to present the pollen (P. B. Tomlinson 1980). Variety americana shows different growth forms on different substrates; plants on sandy coastal areas are sprawling shrubs with orbiculate, fleshy leaves, whereas plants in forests and scrublands are trees with oblong to oblanceolate, thin leaves.</p><!-- |
--><p><i>Ximenia</i> inermis Linnaeus, an illegitimate and superfluous name, pertains here.</p> | --><p><i>Ximenia</i> inermis Linnaeus, an illegitimate and superfluous name, pertains here.</p> | ||
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name=Ximenia americana var. americana | name=Ximenia americana var. americana | ||
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|rank=variety | |rank=variety | ||
|parent rank=species | |parent rank=species | ||
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| − | |special status= | + | |special status=Illustrated |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V12/V12_663.xml |
|genus=Ximenia | |genus=Ximenia | ||
|species=Ximenia americana | |species=Ximenia americana | ||
Latest revision as of 19:16, 5 November 2020
Shrubs or small trees, to 12 m. Leaves: blades elliptic, lanceolate, ovate, obovate, or orbiculate, 1.3–10 cm, apex retuse, obtuse, or acute, with or without 0.5–1 mm mucro; venation eucamptodromous. Inflorescences 2–10-flowered; peduncles 1–15 mm. Pedicels 4–12 mm. Flowers: sepals 0.5–4 mm, ciliate; petals yellow, pale yellow, yellowish green, or white, 4.5–12 mm, recurved at maturity; stamen filaments 2.5–6 mm; anthers 1.5–4.5 mm; style 2.5–5.5 mm. Drupes 1–3.5 × 1.1–3 cm. Seeds 1.5–2.5 × 1.1–2 cm. 2n = 24.
Phenology: Flowering Apr–May(–Nov); fruiting year-round.
Habitat: Pinelands, hammock margins, coastal scrub, coastal sand dunes.
Elevation: 0–30 m.
Distribution
Fla., Mexico, West Indies, Central America, South America, Asia, Africa, Indian Ocean Islands, Pacific Islands, Australia.
Discussion
R. A. DeFilipps (1968, 1969) recognized three varieties of Ximenia americana, with the pantropical var. americana occurring in peninsular Florida. The other varieties occur in Argentina (var. argentinensis DeFilipps) and Africa (var. microphylla Welwitsch ex Oliver). From greenhouse pot studies, DeFilipps (1969b) determined that X. americana is able to exist without a host, thus it should be considered a facultative hemiparasite. The flowers are fragrant and presumably insect pollinated. The anthers dehisce before the flower bud opens and the adaxial hairs on the petals may serve to present the pollen (P. B. Tomlinson 1980). Variety americana shows different growth forms on different substrates; plants on sandy coastal areas are sprawling shrubs with orbiculate, fleshy leaves, whereas plants in forests and scrublands are trees with oblong to oblanceolate, thin leaves.
Ximenia inermis Linnaeus, an illegitimate and superfluous name, pertains here.
Selected References
None.