Difference between revisions of "Crossopetalum"

P. Browne

Civ. Nat. Hist. Jamaica, 145, plate 16, fig. 1. 1756.

Etymology: Greek krossos, fringe, and petalon, petal, alluding to fimbriate petals of the type species
Treatment appears in FNA Volume 12. Treatment on page 121. Mentioned on page 112.
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Revision as of 19:54, 16 December 2019

Shrubs or trees. Branchlets terete. Leaves persistent, opposite or whorled; stipules present; petiole present; blade margins spiny-toothed, crenate, or entire; venation pinnate. Inflorescences axillary, cymes. Flowers bisexual, radially symmetric; perianth and androecium hypogynous; hypanthium absent; sepals 4, distinct; petals 4, white, pale green, reddish, or purplish; nectary intrastaminal, annular, fleshy; stamens 4, free from and inserted under nectary; staminodes 0; pistil 4-carpellate; ovary superior, immersed in and adnate to nectary, 4-locular, placentation axile; style 1; stigmas 4; ovule 1 per locule. Fruits drupes, red, 1[–2]-locular by abortion, obovoid or subglobose, apex not beaked. Seeds 1[–2] per fruit, obovoid, not winged; aril absent.

Distribution

Fla., Mexico, West Indies, Central America, South America.

Discussion

Species ca. 35 (2 in the flora).

Selected References

None.

Key

1 Shrubs, to 0.5 m; stems spreading or prostrate; leaf margins spiny-toothed; pedicels 3–7 mm. Crossopetalum ilicifolium
1 Shrubs or trees, 3–4 m; stems erect; leaf margins crenate or entire; pedicels 7–12 mm. Crossopetalum rhacoma
... more about "Crossopetalum"
Jinshuang Ma +
P. Browne +
Fla. +, Mexico +, West Indies +, Central America +  and South America. +
Greek krossos, fringe, and petalon, petal, alluding to fimbriate petals of the type species +
Civ. Nat. Hist. Jamaica, +
Crossopetalum +
Celastraceae +