Okenia

Schlechtendal & Chamisso

Linnaea 5: 92. 1830.

Etymology: For Lorenz Oken, 1779–1851, German naturalist
Treatment appears in FNA Volume 4. Treatment on page 39. Mentioned on page 16.
 TaxonIllustrator 
FNA4 P6 Acleisanthes diffusa.jpegAcleisanthes diffusa
Acleisanthes lanceolata var. lanceolata
Acleisanthes chenopodioides
Okenia hypogaea
Bee F. Gunn
Bee F. Gunn
Bee F. Gunn
Barbara Alongi

Herbs, annual, viscid-pubescent, from long, narrow taproots. Stems trailing, unarmed, without glutinous bands on internodes. Leaves petiolate, of unequal size in each pair; blade thin to somewhat fleshy, base ± asymmetric. Inflorescences in axils of smaller leaf of pair, 1-flowered, peduncles short in flower, peduncles greatly elongating, pushing into ground in fruit; bracts deciduous, 3 at base of flower, distinct, lanceolate, thin, translucent. Flowers bisexual, chasmogamous; perianth radially symmetric, funnelform but strongly oblique, constricted beyond ovary, gradually flared to 5-lobed limb; stamens 5–18, included or slightly exserted; styles slightly exserted; stigmas peltate. Fruit geocarpous, ± oblong, unribbed, corky, glabrate, smooth or rugose.

Distribution

s North America

Discussion

Species 1 or 2 (1 in the flora).

Selected References

None.

Lower Taxa

"thin" is not a number."thin" is not a number."elongating" is not a number.

... more about "Okenia"
Richard W. Spellenberg +
Schlechtendal & Chamisso +
glutinous +
unequal +
woody +, leathery +  and fleshy +
undulate;plane;linear;ovate or more or less round +
deciduous +
distinct +
lanceolate +
corollalike +  and petaloid +
s North America +
curved +  and straight +
For Lorenz Oken, 1779–1851, German naturalist +
inconspicuous +  and showy +
1 +  and 80 +
chasmogamous +  and bisexual +
geocarpous +
rugose +  and smooth +
lateral +  and terminal +
unequal +
pubescent +  and glabrous +
sinuate +  and entire +
gradually flared +  and 5-lobed +
constricted +
thick +  and thin +
fibrous;fleshy +
membranaceous +
ribbed +, 10-ribbed +  and 5-ribbed +
pubescent +, glabrous +  and warty +
wrinkled +
exserted +  and included +
fusiform +  and linear +
filiform +
Nyctaginaceae +
gland-tipped +