Apodanthera undulata var. undulata
Illustrated
Treatment appears in FNA Volume 6. Treatment on page 29.
Vines fetid; branches to 3 m, harshly strigose; tendrils usually branched from 1–5 cm beyond base. Leaves: petiole 3–7 cm; blade 8–15 cm wide, surfaces moderately to densely white-sericeous abaxially, glabrous adaxially. Inflorescences: staminate flowers in long-pedunculate racemes; pistillate flowers in loose fascicles; peduncle erect, 1–2 cm in flower, 6–9 cm in fruit. Flowers: hypanthium 10–18 mm; sepals erect, not recurving. Pepos 6–10 cm. Seeds light-brown, 9–12 mm. 2n = 28.
Phenology: Flowering May–Sep.
Habitat: Roadsides, gravelly stream terraces, interfan alluvium, dunes, flats, rocky slopes, lava beds, grasslands, creosote scrub, Chihuahuan desert scrub of Flourensia-Larrea, mesquite, oak chaparral, oak-juniper woodlands
Elevation: 800–1700 m
Distribution
Ariz., N.Mex., Tex., Mexico (Chihuahua), Mexico (Coahuila), Mexico (Durango), Mexico (Sonora)
Discussion
Selected References
None.
Lower Taxa
None.
... more about "Apodanthera undulata var. undulata"
light-colored +
reniform;orbiculate-cordate unlobed or shallowly palmately 5-lobed +
absent +
filiform-subulate +
strigose +
adnate +
narrow +
broadly funnelform-campanulate;rotate +
straight +
berrylike +
aculeate +
distinct +
vestigial +
5;12 +
unisexual +
raised +
broad +
Roadsides, gravelly stream terraces, interfan alluvium, dunes, flats, rocky slopes, lava beds, grasslands, creosote scrub, Chihuahuan desert scrub of Flourensia-Larrea, mesquite, oak chaparral, oak-juniper woodlands +
perennial +
subcylindric +
Present +
umbellate;subumbellate +
alternate +
rounded +
dentate +
undulate-crisped +
broad +
ovoid;oblong +
3;35 +
erect +
yellow +
distinct +
glabrate +
oblong-obovate;elliptic-oblanceolate +
absent +
Smithsonian Contr. Knowl. +
1853 +
long-pedunculate +
tuberous +
not arillate +
light-brown +
30;80 +
connate +
vestigial +
Illustrated +
connate +
absent +
annual +
trailing +
strigose +
indehiscent +
longitudinal +
absent +
short-columnar +
eglandular +
Apodanthera undulata var. undulata +
Apodanthera undulata +
variety +
branched +
absent +
distinct +
exalbuminous +
perennial +
fetid +
trailing +
monoecious +