Chlorogalum grandiflorum

Hoover

Leafl. W. Bot. 2: 128. 1938.

Common names: Red hills soap plant
EndemicConservation concern
Treatment appears in FNA Volume 26. Treatment on page 309. Mentioned on page 308.

Bulbs ovoid, 5–7 cm, tunic reddish to brown, membranous, outer scales with few delicate fibers. Leaves 1–3 dm × 4–12 mm, margins strongly undulate. Panicles 3–10 dm, branches ascending. Flowers vespertine, closed by following morning; tepals recurved at anthesis, white with purplish midvein, linear, 1.5–3 cm; stamens typically slightly shorter than tepals; anthers yellow, 3 mm; pollen yellow; style often exserted after anthesis, 12–28 mm, equal to or slightly longer than tepals; pedicel stout, 2–5 mm, much shorter than perianth. Capsules 5–8 mm.


Phenology: Flowering May–Jun.
Habitat: Among rocks (usually serpentinite) on open brushy or wooded hills
Elevation: 300–500 m

Discussion

Of conservation concern.

Chlorogalum grandiflorum is considered by the California Native Plant Society to be endangered in a portion of its range. It is often confused with C. pomeridianum var. minus because of bulb characters, but it can be distinguished by its short, stout pedicels and larger flowers.

Selected References

None.

Lower Taxa

None.

"broad" is not a number."dm" is not declared as a valid unit of measurement for this property."dm" is not declared as a valid unit of measurement for this property."thicker" is not a number.

... more about "Chlorogalum grandiflorum"
cordate +  and linear +
3 cm30 mm <br />0.03 m <br /> (?) +
Judy Jernstedt +
Hoover +
whorled +, opposite +  and alternate +
dilated +
Laothoë +
reticulate-veined +  and parallel-veined +
reduced +
sheathing +  and involucrate +
1;several +
5 cm50 mm <br />0.05 m <br /> (7 cm70 mm <br />0.07 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
Red hills soap plant +
300–500 m +
connate-coroniform +  and dilated +
sessile +  and pedicellate +
vespertine +
unisexual +  and bisexual +
3-valved +  and capsular +
loculicidal +
membranaceous +  and leathery +
Among rocks (usually serpentinite) on open brushy or wooded hills +
umbellate +, cymose +  and spicate +
persistent +
0.4 cm4 mm <br />0.004 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
undulate +
superior +  and inferior +
many;several +
0.2 cm2 mm <br />0.002 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
zygomorphic +  and actinomorphic +
pinkish +, purple +  and white +
Flowering May–Jun. +
Leafl. W. Bot. +
wind-distributed +
2 +  and 1 +
Endemic +  and Conservation concern +
adnate +  and free +
typically slightly shorter +
staminodial +
3 +, 4 +  and 6 +
1 +  and several +
slightly longer +
3 +  and 1 +
3-lobed +
1.2 cm12 mm <br />0.012 m <br /> (2.8 cm28 mm <br />0.028 m <br />) +
Chlorogalum grandiflorum +
Chlorogalum +
species +
persisting +
distinct +
linear +  and oblong +
1.5 cm15 mm <br />0.015 m <br /> (3 cm30 mm <br />0.03 m <br />) +
sepaloid +  and petaloid +
narrower +
reddish +  and brown +
membranous +
caulescent +  and scapose +
3 +  and 2 +