Difference between revisions of "Sideroxylon lycioides"
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|genus=Sideroxylon | |genus=Sideroxylon | ||
|species=Sideroxylon lycioides | |species=Sideroxylon lycioides | ||
Latest revision as of 22:44, 5 November 2020
Shrubs or trees, to 14 m. Stems not armed or armed, glabrous. Leaves deciduous; petiole 3–14 mm, glabrous; blade (dull to lustrous dark green adaxially), elliptic to ovate or oblanceolate, 30–122 × 13–50 mm, base acute to attenuate, margins plane, apex usually acute to acuminate, sometimes rounded, surfaces glabrous or sometimes glabrate abaxially, venation visible, midrib villous (hairs white), slightly raised, marginal vein absent. Inflorescences 7–40-flowered. Pedicels 2–10 mm, glabrous. Flowers: calyx 1.3–3.1 mm diam., sepals 5(–6), 1.6–2.4 × 0.8–1.9 mm, glabrous; petals 5(–6), white, median segment elliptic to ovate, 1.8–2 mm, lateral segments falcate, 1.1–1.7 mm; stamens 5(–6), 2.7–2.9 mm; staminodes lanceolate, 1.5–2 mm, entire; anthers sagittate-lanceolate, 1.3–1.5 mm; pistil (4–)5(–6)-carpellate; ovary (4–)5(–6)-locular, 1–1.2 mm, glabrous or pilose to hirsute; style 1.2–1.3 mm. Berries purplish black, ellipsoid to subglobose, 9–16 mm, glabrous or glabrate. Seeds 6.5–9 mm.
Phenology: Flowering Jun–Aug.
Habitat: Upland, moist and floodplain forests, edges of swamps, hammocks
Elevation: 10-1500 m
Distribution
Ala., Ark., Del., Fla., Ga., Ill., Ind., Ky., La., Miss., Mo., N.C., S.C., Tenn., Tex., Va.
Discussion
Sideroxylon lycioides is characterized generally by elliptic leaves and glabrous twigs and leaves. Varieties and segregate species have been recognized based on variation in leaf size and shape, leaf apex, and fruit size and shape. As observed by A. Cronquist (1945c), most of these characters exhibit continuous variation among collections throughout the range of S. lycioides. Because of this pattern of variation without marked morphological gaps, we recognize no infraspecific variants. T. D. Pennington (1990) proposed that S. lanuginosum, S. lycioides, S. reclinatum, and S. tenax are closely related and that this complex of species is morphologically distinct from neotropical species of Sideroxylon.
Selected References
None.