Antigonon

Endlicher

Gen. Pl. 4: 310. 1837. 1837

Common names: Coralvine Mexican creeper corona de la reina Confederate-vine
Etymology: etymology uncertain perhaps Greek anti- , against, and gony, knee, alluding to angled stems, or Greek anti- , in place of, and genus Polygonum, alluding to affinity
Treatment appears in FNA Volume 5. Treatment on page 481. Mentioned on page 216, 218, 479, 480.

Vines, perennial [annual]; roots tuberous. Stems scandent, tendril-bearing, pubescent or glabrous; tendrils terminal and axillary, branched. Leaves deciduous or persistent, cauline, alternate, petiolate; ocrea usually deciduous, chartaceous; blade broadly ovate to deltate or truncate, margins entire, sometimes undulate. Inflorescences terminal and axillary, often clustered near tips of stems, racemelike, pedunculate. Pedicels present. Flowers bisexual, (1–)2–5 per ocreate fascicle, base stipelike; perianth accrescent in fruit, pink to purple or, rarely, white or yellowish, campanulate, glabrous; tepals 5, connate proximally, petaloid, dimorphic, outer 3 broader than inner 2; stamens (7–)8(–9); filaments connate ca. 1/2 their length, forming staminal tube, adnate to perianth tube, glandular-pubescent; anthers yellow to reddish, ovate to elliptic; styles 3, recurved, distinct; stigmas reniform-capitate. Achenes included in membranous perianth, brown, unwinged, subglobose to bluntly 3-gonous proximally, 3-gonous distally, glabrous or pubescent. Seeds: embryo straight. x = 20.

Distribution

Introduced; subtropical and tropical, s North America (including Mexico), West Indies, Central America, South America.

Discussion

Species ca. 6 (1 in the flora).

Selected References

None.

Lower Taxa

... more about "Antigonon"
Craig C. Freeman +
Endlicher +
Coralvine +, Mexican creeper +, corona de la reina +  and Confederate-vine +
subtropical and tropical +, s North America (including Mexico) +, West Indies +, Central America +  and South America. +
etymology uncertain +  and perhaps Greek anti- , against, and gony, knee, alluding to angled stems, or Greek anti- , in place of, and genus Polygonum, alluding to affinity +
Antigonon +
Polygonaceae subfam. Polygonoideae +