Nolina interrata

Gentry

Madroño 8: 181, fig. 1, plate 19. 1946.

Common names: Dehesa beargrass
Conservation concern
Treatment appears in FNA Volume 26. Treatment on page 420. Mentioned on page 416.

Plants acaulescent; rosettes from branching, horizontal, subterranean caudices from lignotubers. Leaf blades 30–150 cm × 12–35 mm, glaucous; bases 15–70 mm wide; margins serrulate. Scape 0.7–9 dm, 5–18 mm diam. Inflorescences compound paniculate, branched distally, 5–11 dm × 10–50 cm; bracts persistent, 2–15 cm; bractlets laciniate. Flowers: tepals 2–3.5 mm; fertile stamens: anthers 1.1–1.7 mm; pedicel erect, proximal to joint 1–2(–4.5) mm, distal to joint 1–2 mm. Capsules thin-walled, 7–12 × 9–15 mm, notched basally and apically. Seeds bursting ovary walls, 4–6 × 3–4 mm.


Phenology: Flowering early spring–early summer.
Habitat: Rocky hillsides of chaparral
Elevation: 200–700 m

Distribution

V26 862-distribution-map.jpg

Calif., Mexico (Baja California).

Discussion

Of conservation concern.

Nolina interrata is very rare and is listed by the U.S. Fish and Wildlife Service as rare and endangered. Its habitat is threatened by development.

Selected References

None.

Lower Taxa

None.