Anulocaulis annulatus

(Coville) Standley

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

IllustratedEndemic
Basionyms: 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 umbel-like 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.

... more about "Anulocaulis annulatus"
Richard W. Spellenberg +
(Coville) Standley +
Boerhavia annulata +
70-1200 m +
Dry, gravelly outwash fans, talus slopes, roadsides +
Flowering late winter–late summer, occasionally mid fall. +
Contr. U.S. Natl. Herb. +
Illustrated +  and Endemic +
Anulocaulis annulatus +
Anulocaulis +
species +