Anulocaulis annulatus

(Coville) Standley

Contr. U.S. Natl. Herb. 12: 375. 1909.

IllustratedEndemic
Basionym: Boerhavia annulata Coville Contr. U.S. Natl. Herb. 4: 177, plate 18. 1893
Treatment appears in FNA Volume 4. Treatment on page 29. Mentioned on page 27, 28.

Herbs, stout perennial. Stems 0.5–2 m. Leaves: 4–6 pairs proximal to inflorescence; petiole 1–7 cm; blade broadly ovate to almost reniform, 2–10 × 2–9.5 cm, base broadly rounded to truncate or cordate, apex rounded to broadly obtuse, adaxial surface yellow-green, abaxial surface much paler, both surfaces moderately villous-hirsute, hairs with dark-brown to blackish pustulate bases. Flowers 5–15 in umbellike clusters on branches of inflorescence; perianth 9–10 mm, tube very pale-pink to rose-pink, densely shaggy-hairy, limbs very pale-pink to rose-pink, gradually flared; stamens 3, exserted 1–2 mm. Fruits broadly fusiform, 3.5–6 × 2.1–2.7 mm, not secreting mucilage when wetted; ribs 10, well defined, linear, low, narrow; equatorial-ridge absent or occasionally low, linear, and incomplete. 2n = 24.


Phenology: Flowering late winter–late summer, occasionally mid fall.
Habitat: Dry, gravelly outwash fans, talus slopes, roadsides
Elevation: 70-1200 m

Discussion

Selected References

None.

Lower Taxa

None.

"thick" is not a number.

... more about "Anulocaulis annulatus"
wrinkled +  and smooth +
coriaceous +
Richard W. Spellenberg +
(Coville) Standley +
glutinous +
dark-brown;blackish +
pustulate +
broadly rounded +  and truncate or cordate +
unequal +
woody +, leathery +  and fleshy +
Boerhavia annulata +
2 cm20 mm <br />0.02 m <br /> (10 cm100 mm <br />0.1 m <br />) +
reniform;ovate to almost;ovate +
? (?) +  and ? (?) +
2cm;9.5cm +
opaque +  and dark +
persistent +
distinct +
lanceolate +
minute +  and not accrescent +
umbel-like +
corollalike +  and petaloid +
70-1200 m +
curved +  and straight +
inconspicuous +  and showy +
5 +  and 15 +
chasmogamous +  and bisexual +
3.5mm;6mm +
fusiform +
constricted +
0.21 cm2.1 mm <br />0.0021 m <br /> (0.27 cm2.7 mm <br />0.0027 m <br />) +
Dry, gravelly outwash fans, talus slopes, roadsides +
lateral +  and terminal +
pale-pink +  and rose-pink +
pubescent +  and glabrous +
sinuate +  and entire +
tubular-funnelform +
constricted +
0.9 cm9 mm <br />0.009 m <br /> (1 cm10 mm <br />0.01 m <br />) +
1 cm10 mm <br />0.01 m <br /> (7 cm70 mm <br />0.07 m <br />) +
Flowering late winter–late summer, occasionally mid fall. +
Contr. U.S. Natl. Herb. +
glandular-puberulent +
thick +  and thin +
fibrous;fleshy +
membranaceous +
ribbed +, 10-ribbed +  and 5-ribbed +
pubescent +, glabrous +  and warty +
wrinkled +
Illustrated +  and Endemic +
erect +  and ascending +
50 cm500 mm <br />0.5 m <br /> (200 cm2,000 mm <br />2 m <br />) +
fusiform +  and linear +
filiform +
villous-hirsute +
Anulocaulis annulatus +
Anulocaulis +
species +
gland-tipped +
pale-pink;rose-pink +
shaggy-hairy +
abruptly flared;5-lobed +
pubescent +  and glabrate +