Ampelopsis

Michaux

Fl. Bor.-Amer. 1: 159. 1803.

Etymology: Greek ampelos, grapevine, and -opsis, similarity
Treatment appears in FNA Volume 12. Treatment on page 18. Mentioned on page 4, 20.
Revision as of 17:24, 29 July 2020 by imported>Volume Importer
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 TaxonIllustrator 
FNA12 P02 Parthenocissus quinquefolia.jpegAmpelopsis cordata
Nekemias arborea
Parthenocissus quinquefolia
Alice Tangerini
Alice Tangerini
Alice Tangerini

Lianas, climbing by tendrils, synoecious. Branches: bark adherent; pith white, continuous through nodes; tendrils 2-branched, without adhesive discs. Leaves simple or palmately compound. Inflorescences usually bisexual, leaf-opposed, corymblike cymes, sometimes compound. Flowers bisexual; calyx saucer-shaped, indistinctly undulate; petals 5, distinct; nectary adnate proximally to base of ovary, free distally, cupshaped, slightly lobed; stamens 5; style cylindric, elongate. Berries rose violet, purple, blue, black, orange, or yellow. Seeds 1–4 per fruit. x = 10.

Distribution

North America, Mexico, Asia, temperate to tropical regions

Discussion

Species ca. 15 (3 in the flora).

Selected References

None.

Key

1 Leaves palmately compound, or so deeply lobed as to appear compound, leaflets or leaf lobes (3 or). Ampelopsis aconitifolia
1 Leaves simple. > 2
2 Branchlets glabrous, green; leaf blades usually unlobed, sometimes shallowly 3-shouldered. Ampelopsis cordata
2 Branchlets usually sparsely puberulent, sometimes becoming glabrate, purplish green; leaf blades usually shallowly, sometimes deeply, 3(–5)-lobed. Ampelopsis glandulosa

"connate" is not a number.

... more about "Ampelopsis"
Michael O. Moore† +  and Jun Wen +
Michaux +
adherent +
yellow +, orange +, black +, blue +, purple +  and rose violet +
undulate +  and saucer--shaped +
leaf-opposed +
corymblike +
North America +, Mexico +, Asia +  and temperate to tropical regions +
Greek ampelos, grapevine, and -opsis, similarity +
compound +  and simple +
pinnate +  and palmate +
crenate +  and serrate +
free +  and adnate +
intrastaminal +
lobed +  and cup-shaped +
anatropous +  and apotropous +
distinct +
2[-3]-carpellate +
Fl. Bor.-Amer. +
stalked +  and multicellular +
elongate +  and cylindric +
Ampelopsis +
Vitaceae +
liana +  and climbing +