Araujia odorata
Araujia
latexplant
araujia, bladder-flower
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.
prostrate or twining, unarmed, glabrous or eglandular-pubescent.
persistent to semipersistent, opposite, petiolate;
stipular colleters absent or 2, 1 borne at base of petiole on each side, interpetiolar and infrapetiolar colleters absent;
laminar colleters present.
peduncle 0.1–0.7 cm, eglandular-pubescent.
extra-axillary, solitary, racemose or cymose, pedunculate.
0.6–1.5 cm, eglandular-pubescent.
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.
calycine colleters absent or present;
corolla white, light pink, or pale to waxy green, rotate or funnelform, aestivation valvate;
corolline corona absent;
androecium and gynoecium united into a gynostegium adnate to corolla tube;
gynostegial corona a tube or interrupted and of cartilaginous to fleshy, irregularly toothed to entire segments;
anthers adnate to style, locules 2;
pollen in each theca massed into rigid, vertically oriented pollinium, pollinia lacrimiform, joined from adjacent anthers by translators to common corpusculum and together forming pollinarium.
follicles, solitary, pendulous or somewhat deflexed, green, ovoid, terete or somewhat compressed, smooth or longitudinally furrowed, glabrous or pubescent.
brownish black to black, 5–6 × 1.5–2 mm;
coma 2–5 cm.
obdeltate, obpyriform, or oblong, flattened to navicular, winged or not, not beaked, comose, not arillate.
8–12 × 2–7 cm, glabrous.
= 10, 11.
= 22.
Araujia odorata
Araujia
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.)
Species ca. 12 (2 in the flora).
(Discussion copyrighted by Flora of North America; reprinted with permission.)
1. Sepals lanceolate to oblong, not leaflike, 1–3 mm wide; corollas rotate, pale to waxy green, gynostegial corona of staminal and interstaminal elements fused into tube, tube 5–8 mm, obscuring gynostegium; style-head extension absent. | A. odorata |
1. Sepals ovate, leaflike, 3–7 mm wide; corollas funnelform, white or light pink, gynostegial corona of 5 distinct staminal elements, each to 3.9 mm, not fused into tube, tube 12.1–15.9 mm, not obscuring gynostegium; style-head extension 2-fid, 3.5 mm. | A. sericifera |
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