Crossosoma californicum

Nuttall

Proc. Acad. Nat. Sci. Philadelphia 4: 8. 1848.

Common names: Catalina rockflower
Conservation concern
Treatment appears in FNA Volume 9. Treatment on page 12.

Shrubs or trees, 1–5 m. Leaves mostly well spaced, 20–90 mm. Pedicels mostly long. Flowers: sepals 8–12 mm; petals 12–18 mm. Follicles 2–9, 15–20 (–32) mm. Seeds 18–22, 2–3 mm diam. 2n = 24.


Phenology: Flowering Feb–May.
Habitat: Dry rocky slopes, often in canyons, coastal scrub and chaparral, on igneous or volcanic substrates
Elevation: 50–500 m

Distribution

V9 15-distribution-map.jpg

Calif., Mexico (Baja California)

Discussion

Of conservation concern.

Crossosoma californicum is known only from the Palos Verdes Peninsula of Los Angeles County and the islands of San Clemente and Santa Catalina, as well as on Guadalupe Island (Baja California); it occasionally is cultivated as an ornamental.

Selected References

None.

Lower Taxa

None.
... more about "Crossosoma californicum"
reticulate +  and verrucose +
pale-yellow +  and white +
coherent +
fimbriate +
Charles T. Mason Jr.† +  and George Yatskievych +
Nuttall +
gray;grayish tan +
persistent +
, +, cuneate +, spatulate +, narrowly oblanceolate +  and obovate +
expanded +
attenuate +
herbaceous;slightly coriaceous +
short-stipitate +
2 (?) +  and 9 (?) +
opposite +  and alternate +
Catalina rockflower +
Calif. +  and Mexico (Baja California) +
50–500 m +
2 cm20 mm <br />0.02 m <br /> (3.2 cm32 mm <br />0.032 m <br />) +
turgid;cylindric +
1.5 cm15 mm <br />0.015 m <br /> (2 cm20 mm <br />0.02 m <br />) +
short-tapered +  and angled +
Dry rocky slopes, often in canyons, coastal scrub and chaparral, on igneous or volcanic substrates +
saucer-shaped;shallowly cupshaped +
appearing so , usually flowers +  and axillary +
drought-deciduous +  and deciduous +
2 cm20 mm <br />0.02 m <br /> (9 cm90 mm <br />0.09 m <br />) +
glabrous +  and glaucous +
2-3-lobed +  and entire +
glabrous +  and glaucous +
purplish tinged +  and white +
distinct +
oblanceolate;elliptic;oblanceolate;elliptic;lanceolate +
1.2 cm12 mm <br />0.012 m <br /> (1.8 cm18 mm <br />0.018 m <br />) +
not decurrent +
Flowering Feb–May. +
sessile +  and short-stipitate +
free +  and distinct +
Proc. Acad. Nat. Sci. Philadelphia +
rounded +
brown;nearly black +
coherent +
verruculose +, rugulose +, striate +  and smooth to faintly +
sometimes nearly spheric +  and slightly moderately flattened +
distinct +
cucullate;ovate;nearly circular +
0.8 cm8 mm <br />0.008 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
2 +  and 4 +
Conservation concern +
decurrent +
hardened +  and scarious +
Crossosoma californicum +
Crossosoma +
species +
reddish tinged +  and tan +
ridged +  and angled +
tree +  and shrub +