Flora of North America species comparison

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Araujia odorata

latexplant
Stems

to 15 m. Leaves: petiole 0.5–4 cm, eglandular-pubescent;

blade ovate, deltate, or hastate, 1.8–8 × 0.8–6 cm, base truncate to cordate, surfaces glabrous to eglandular-pubescent.
Inflorescences

peduncle 0.1–0.7 cm, eglandular-pubescent.
Pedicels

0.6–1.5 cm, eglandular-pubescent.
Flowers

sepals green, lanceolate to oblong, not leaflike, 5–13 × 1–3 mm, surfaces eglandular-pubescent;

calycine colleters present;

corolla pale to waxy green, rotate, lobes 7–13 × 2–4 mm, abaxial surface eglandular-pubescent, adaxial surface glabrous;

gynostegial corona a fused tube, 5–8 mm, obscuring gynostegium, glabrous;

style-head extension absent.
Seeds

brownish black to black, 5–6 × 1.5–2 mm;

coma 2–5 cm.
Follicles

8–12 × 2–7 cm, glabrous.
2n

= 22.

Araujia odorata
Phenology Flowering summer–fall; fruiting fall–winter.
Habitat Citrus groves, roadsides, waste places, dunes, beaches.
Elevation 0–100 m. (0–300 ft.)
Distribution
from FNA
FL; South America [Introduced in North America; introduced also in Central America]
Discussion

Native to central South America, Araujia odorata was introduced to the United States as an ornamental in the 1930s and first observed in a citrus grove in Florida in 1957 (D. P. H. Tucker and R. L. Phillips 1974; D. L. Spellman and C. R. Gunn 1976).

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 14.
Parent taxa Apocynaceae > Araujia
Sibling taxa
A. sericifera
Synonyms Cynanchum odoratum, Morrenia odorata
Name authority (Hooker & Arnott) Fontella & Goyder: Phytotaxa 26: 11. (2011)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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