Arivela

Rafinesque

Sylva Tellur., 110. 1838.

Common names: Spiderflower
Etymology: Origin obscure
Treatment appears in FNA Volume 7. Treatment on page 221. Mentioned on page 200, 215.
 TaxonIllustrator 
FNA7 P31 Hemiscola aculeata.jpegHemiscola aculeata
Hemiscola aculeata var. aculeata
Arivela viscosa
Gynandropsis gynandra
Yevonn Wilson-Ramsey
Yevonn Wilson-Ramsey
Yevonn Wilson-Ramsey
Yevonn Wilson-Ramsey

Herbs, annual. Stems sparsely branched [unbranched]; glandular-hirsute [glabrous]. Leaves: stipules absent; petiole with pulvinus basally or distally (petiolule base adnate, forming pulvinar disc); leaflets 3 or 5. Inflorescences terminal or axillary (from distal leaves), racemes (flat-topped or elongated); bracts present [absent]. Flowers: zygomorphic; sepals persistent, distinct, equal; petals equal; stamens 14–25 [–35]; filaments inserted on a discoid or conical androgynophore, glandular-hirsute; anthers (oblong), coiling as pollen released; gynophore obsolete. Fruits capsules, partly dehiscent, oblong, (glandular). Seeds [10–] 25–40 [–100], spheroidal, not arillate, (cleft fused between ends). x = 10.

Distribution

Introduced; Asia, Africa

Discussion

Species ca. 10 (1 in the flora).

Selected References

None.

Lower Taxa

... more about "Arivela"
conical +  and discoid +
Gordon C. Tucker +
Rafinesque +
serrulate +, serrate +  and entire +
Spiderflower +
Asia +  and Africa +
Origin obscure +
adnate +  and free +
glandular-hirsute +
dehiscent +  and indehiscent +
elongate +
sessile +  and stalked +
axillary +  and terminal +
arranged +  and alternate +
5 (?) +  and 3 (?) +
1-carpellate +
distinct +
unequal +
tricolporate +  and binucleate +
Sylva Tellur., +
not arillate +
gray +  and black +
spheroidal +
persistent +
distinct +
glandular-pubescent +  and glabrous +
spreading +  and erect +
glandular-hirsute +
deciduous +  and caducous +
scale-like +, thread-like +  and 3-8-palmatifid +
Arivela +
Cleomaceae +