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.
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 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 +