Ceanothus megacarpus var. insularis

(Eastwood) Munz

Bull. S. Calif. Acad. Sci. 31: 68. 1932.

Common names: Island big-pod ceanothus
Endemic
Basionym: Ceanothus insularis Eastwood Proc. Calif. Acad. Sci., ser. 4, 16: 362. 1927
Synonyms: C. megacarpus subsp. insularis (Eastwood) P. H. Raven
Treatment appears in FNA Volume 12. Treatment on page 98.

Leaves mostly opposite; petiole 2–5 mm; blades oval to elliptic, 15–30 × 10–18 mm. Capsule: valves smooth; horns weakly developed or absent.


Phenology: Flowering Feb–Apr.
Habitat: Rocky slopes, canyons, chaparral.
Elevation: 10–500 m.

Discussion

Variety insularis occurs on the California Channel islands and at several isolated localities in the Santa Monica and Santa Ynez mountains.

Selected References

None.

Lower Taxa

None.

"thick" is not a number.

strigillose +  and glabrous +
perigynous +  and epigynous +
Clifford L. Schmidt† +  and Dieter H. Wilken +
(Eastwood) Munz +
cuneate +  and rounded +
Ceanothus insularis +
3-veined +  and veined +
2.5 cm25 mm <br />0.025 m <br /> (3.3 cm33 mm <br />0.033 m <br />) +
not gland-dotted +
1.5 cm15 mm <br />0.015 m <br /> (3 cm30 mm <br />0.03 m <br />) +
3[-5]-veined +  and pinnate +
spinulose +, spinose +, serrate +  and entire +
denticulate +, dentate +, crenulate +, crenate +  and serrulate +
oval;elliptic +
1 cm10 mm <br />0.01 m <br /> (1.8 cm18 mm <br />0.018 m <br />) +
not thorn-tipped +
puberulent +  and tomentulose +
not lobed +
0.7 cm7 mm <br />0.007 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
Island big-pod ceanothus +
10–500 m. +
Rocky slopes, canyons, chaparral. +
straight +
subapical +
rugulose +
free +  and adnate +
shallowly cupulate +  and hemispheric +
unisexual +  and bisexual +
1 cm10 mm <br />0.01 m <br /> (2 cm20 mm <br />0.02 m <br />) +
deciduous +  and persistent +
denticulate +
intrastaminal +
superior +  and inferior +
not fleshy +
perigynous +  and epigynous +
adnate +  and distinct +
6 +  and 5 +
clawed +, obovate +  and spatulate +
0.2 cm2 mm <br />0.002 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
Flowering Feb–Apr. +
2-4-carpellate +
Bull. S. Calif. Acad. Sci. +
intermediate +
distinct +
spreading +  and incurved +
6 +  and 5 +
keeled;lanceolate;deltate +
not rooting +
erect +  and ascending +
C. megacarpus subsp. insularis +
Ceanothus megacarpus var. insularis +
Ceanothus megacarpus +
variety +
paniclelike +  and racemelike +
not gland-tipped +
rugulose +  and smooth +
unarmed +  and armed +
polygamous +, dioecious +  and synoecious +