Nolina brittoniana

Nash

Bull. Torrey Bot. Club 22: 158. 1895.

Common names: Britton’s beargrass
EndemicConservation concern
Treatment appears in FNA Volume 26. Treatment on page 417. Mentioned on page 416.

Plants acaulescent, cespitose; rosettes from bulblike bases, with vertical, subterranean caudices. Leaf-blades lax, grasslike, flattened, 70–100 cm × 5–9 (–11) mm, not glaucous; margins serrulate, with close-set, cartilaginous teeth; inflorescence leaf-blades reduced, 4–35 cm. Scape 7–12 dm. Inflorescences paniculate, 5–10.5 × 0.7–1.5 dm; bracts caducous, 1.2–4 cm; bractlets white to tan, 2–4 mm. Flowers: tepals 1.7–2.5 mm; fertile stamens: anthers 0.7–1.2 mm; pedicel recurved in age, proximal to joint 1.5–3.5 mm, distal to joint 6–10 mm. Capsules symmetrical, broadly winged, 7.2–9 × 8–10 (–12) mm, distinctly notched basally and apically. Seeds loosely invested in capsules, rounded, 3.4–4.8 × 2.6–3.3 mm.


Phenology: Flowering early spring.
Habitat: Sandy soil in oak and pine scrublands
Elevation: 0–30 m

Discussion

Of conservation concern.

Nolina brittoniana is fire-tolerant and is probably fire-dependant. It is restricted to central Florida in Marion, Lake, Orange, Hernando, Polk, Osceola, and Highlands counties. The plants are rare and listed as endangered by Florida and the U.S. Fish and Wildlife Service under the Federal Endangered Species Act.

Selected References

None.

Lower Taxa

None.

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... more about "Nolina brittoniana"
longitudinal +
0.07 cm0.7 mm <br />7.0e-4 m <br /> (0.12 cm1.2 mm <br />0.0012 m <br />) +
glandular-pubescent +  and glandular +
William J. Hess +
expanding +
elliptic +, ovate +, oblanceolate +, lanceolate +  and linear +
fibrous +  and not rigid +
reflexed +, erect +  and ascending +
scale-like +
1.2 cm12 mm <br />0.012 m <br /> (4 cm40 mm <br />0.04 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
1 cm10 mm <br />0.01 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
0.72 cm7.2 mm <br />0.0072 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
0.8 cm8 mm <br />0.008 m <br /> (1 cm10 mm <br />0.01 m <br />) +
subterranean +
Britton’s beargrass +
0–30 m +
pubescent +  and glabrous +
broadened +
staminate +  and pistillate +
firm-walled +, thin-walled +  and capsular +
rounded +, notched +, inflated +  and 3-lobed +
fleshy +  and dry +
Sandy soil in oak and pine scrublands +
bracteate +  and umbellate +
4 cm40 mm <br />0.04 m <br /> (35 cm350 mm <br />0.35 m <br />) +
0.6 cm6 mm <br />0.006 m <br /> (1 cm10 mm <br />0.01 m <br />) +
0.9 cm9 mm <br />0.009 m <br /> (1.1 cm11 mm <br />0.011 m <br />) +
70 cm700 mm <br />0.7 m <br /> (100 cm1,000 mm <br />1 m <br />) +
pseudopetiolate +, sessile +  and simple +
long-lived +  and annual +
denticulate +
cylindrical +, ovoid +  and 3-angled +
semisucculent +
Flowering early spring. +
reduced +
Bull. Torrey Bot. Club +
few-to-many +
0.34 cm3.4 mm <br />0.0034 m <br /> (0.48 cm4.8 mm <br />0.0048 m <br />) +
rounded +
0.26 cm2.6 mm <br />0.0026 m <br /> (0.33 cm3.3 mm <br />0.0033 m <br />) +
Endemic +  and Conservation concern +
exserted +  and included +
aboveground +  and subterranean +
3 +  and 1 +
list +  and count +
exserted +  and included +
Nolina brittoniana +
species +
white;cream or tan +
connate +  and distinct +
0.17 cm1.7 mm <br />0.0017 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
plant +  and cespitose +
polygamodioecious +, dioecious +, monoecious +, polycarpic +  and monocarpic +
small;gigantic +
petal-like +