Hastingsia alba

(Durand) S. Watson

Proc. Amer. Acad. Arts 14: 242. 1879.

IllustratedEndemic
Basionym: Schoenolirion album Durand J. Acad. Nat. Sci. Philadelphia, ser. 2, 3: 103. 1855
Treatment appears in FNA Volume 26. Treatment on page 311. Mentioned on page 309.

Bulb ellipsoid, 26–56 × 17–31 mm, sometimes with blackish, fibrous tunic. Leaves (28–) 35–41 (–53) cm × 7–14 mm, mature plants with blackish, shriveled foliage persisting at base of scape; blade glaucous-green, aging to light green. Scape 40–89 cm, often with 1–3 ascending branches, 3–5 mm thick at base. Inflorescences: terminal raceme (5–) 14–27 (–40) cm; flowers (24–) 44–51 (–78) per 10 cm of raceme. Seeds dark gray-green to black, 4–6 mm. 2n = 52.


Phenology: Flowering Jun–Jul, fruiting late Jul–Sep.
Habitat: Serpentine, granite, and diorite sites, open rocky seepage areas with year-round water supply, bogs, wet meadows
Elevation: 500–2300 m

Discussion

At high elevations, Hastingsia alba is often stunted and has smaller bulbs, shorter scapes with shorter and narrower leaves, and spreading-rotate tepal tips.

Selected References

None.

Lower Taxa

None.

"broad" is not a number."thicker" is not a number.

... more about "Hastingsia alba"
versatile +  and dorsifixed +
cordate +  and linear +
triangular +  and flattened +
Rudolf W. Becking +
(Durand) S. Watson +
whorled +, opposite +  and alternate +
dilated +
Schoenolirion album +
reticulate-veined +  and parallel-veined +
light green +  and glaucous-green +
v--shaped +  and keeled +
sheathing +  and involucrate +
1;several +
1 +  and 3 +
tunicate +  and scaly +
26mm +  and 56mm +
1.7 cm17 mm <br />0.017 m <br /> (3.1 cm31 mm <br />0.031 m <br />) +
purplish +, yellowish +  and greenish +
Calif. +  and Oreg. +
500–2300 m +
connate-coroniform +  and dilated +
0.4 cm4 mm <br />0.004 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
sessile +  and pedicellate +
unisexual +  and bisexual +
shriveled +
indehiscent +, septicidal +  and loculicidal +
ellipsoid +  and ellipsoid-ovoid +
constricted +
membranaceous +  and leathery +
Serpentine, granite, and diorite sites, open rocky seepage areas with year-round water supply, bogs, wet meadows +
umbellate +, cymose +  and spicate +
41 cm410 mm <br />0.41 m <br /> (53 cm530 mm <br />0.53 m <br />) +
persistent +
35 cm350 mm <br />0.35 m <br /> (41 cm410 mm <br />0.41 m <br />) +
0.7 cm7 mm <br />0.007 m <br /> (1.4 cm14 mm <br />0.014 m <br />) +
globose;3-lobed +
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
Flowering Jun–Jul, fruiting late Jul–Sep. +
Proc. Amer. Acad. Arts +
40 cm400 mm <br />0.4 m <br /> (89 cm890 mm <br />0.89 m <br />) +
0.3 cm3 mm <br />0.003 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
wind-distributed +
dark gray-green +  and black +
1 +  and many +
flattened +  and fusiform +
0.4 cm4 mm <br />0.004 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
Illustrated +  and Endemic +
adnate +  and free +
staminodial +
1 +  and several +
Hastingsia alba +
Hastingsia +
species +
purplish black;greenish white;yellowish;purplish black;greenish white;yellowish;white +
persistent +
distinct +
narrowly lanceolate +  and oblong-lanceolate +
0.4 cm4 mm <br />0.004 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
27 cm270 mm <br />0.27 m <br /> (40 cm400 mm <br />0.4 m <br />) +
14 cm140 mm <br />0.14 m <br /> (27 cm270 mm <br />0.27 m <br />) +
sepaloid +  and petaloid +
narrower +
3 +  and 2 +