Difference between revisions of "Adelia"
Syst. Nat. ed. 10, 2: 1285, 1298. 1759.
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Revision as of 20:12, 27 May 2020
Shrubs [trees], unarmed or branchlets sometimes stiff and thorn-tipped, dioecious [monoecious], hairs unbranched; latex absent. Leaves deciduous, fascicled on short shoots [alternate], simple; stipules present, deciduous; petiole present, glands absent; blade unlobed, margins entire [crenate], laminar glands absent; venation palmate at base and pinnate distally [pinnate]. Inflorescences unisexual [bisexual], axillary, fascicles [racemes] or flowers solitary; bracts subtending pistillate flowers minute, not enlarging in fruit; glands subtending each bract 0. Pedicels present. Staminate flowers: sepals [4–]5, not petaloid, 2[–5] mm, valvate, distinct; petals 0; nectary extrastaminal, annular [5 glands], adnate to calyx; stamens [6–-]14–17[–30], connate basally [distinct]; pistillode present [absent]. Pistillate flowers: sepals 5(–6)[–7], distinct; petals 0; nectary annular; pistil (2–)3(–4)–carpellate; styles (2–)3(–4), distinct [connate basally], deeply multifid. Fruits capsules. Seeds subglobose; caruncle absent.
Distribution
Tex., Mexico, West Indies, Central America, South America, tropical and subtropical regions.
Discussion
Species 9 (1 in the flora).
Phylogenetic analyses of morphological and molecular data support Adelia as a monophyletic group sister to the Caribbean genera Lasiocroton Grisebach and Leucocroton Grisebach (De-Nova and V. Sosa 2007). Three principal lineages were recognized in Adelia: the first includes only A. cinerea (Wiggins & Rollins) A. Cervantes, V. W. Steinmann & Flores Olvera, a species endemic to Mexico; the second includes four Mexican species (including A. vaseyi); and the third comprises the remaining four species from the West Indies, Central America, and South America.