Ceanothus ferrisiae

McMinn

Madroño 2: 89. 1933.

Common names: Coyote ceanothus
EndemicConservation concern
Treatment appears in FNA Volume 12. Treatment on page 101. Mentioned on page 97.

Shrubs, 1–2 m. Stems erect, not rooting at nodes; branchlets grayish brown, glaucous, rigid, puberulent. Leaves not fascicled; petiole 1–3 mm; blade flat or ± cupped, widely elliptic to widely obovate, 11–30 × 7–18 mm, base obtuse to rounded, margins not revolute, usually denticulate, rarely entire, teeth 6–13, apex rounded, abaxial surface pale green, sparsely strigillose between veins, adaxial surface dark green, glabrate. Inflorescences terminal, 1.2–1.5 (–2) cm. Flowers: sepals and petals white; nectary dark blue to purple. Capsules 7–9 mm wide, weakly lobed; valves ± smooth, horns subapical, prominent, erect, intermediate ridges absent. 2n = 24.


Phenology: Flowering Jan–May.
Habitat: Serpentine soils and outcrops, chaparral, pine and oak woodlands.
Elevation: 100–500 m.

Discussion

Ceanothus ferrisiae, federally listed as endangered, occurs at a few localities in the foothills of the Mount Hamilton Range northeast of Morgan Hill, Santa Clara County.

Selected References

None.

Lower Taxa

None.

"thick" is not a number.

... more about "Ceanothus ferrisiae"
perigynous +  and epigynous +
Clifford L. Schmidt† +  and Dieter H. Wilken +
McMinn +
obtuse +  and rounded +
Ceanothus sect. Cerastes +
3-veined +  and veined +
not gland-dotted +
1.1 cm11 mm <br />0.011 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 +
more or less +  and flat +
widely elliptic;widely obovate +
7mm;18mm +
not thorn-tipped +
puberulent +  and glaucous +
0.7 cm7 mm <br />0.007 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
Coyote ceanothus +
100–500 m. +
Serpentine soils and outcrops, chaparral, pine and oak woodlands. +
subapical +
free +  and adnate +
0 cm0 mm <br />0 m <br /> (0.05 cm0.5 mm <br />5.0e-4 m <br />) +
1.5 cm15 mm <br />0.015 m <br /> (2 cm20 mm <br />0.02 m <br />) +
axillary +  and terminal +
unisexual +  and bisexual +
1.2 cm12 mm <br />0.012 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
deciduous +  and persistent +
denticulate +
dark blue;purple +
intrastaminal +
superior +  and inferior +
not fleshy +
perigynous +  and epigynous +
adnate +  and distinct +
6 +  and 5 +
Clawed (?) +, Obovate (?) +  and Spatulate (?) +
0.1 cm1 mm <br />0.001 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
Flowering Jan–May. +
2-4-carpellate +
intermediate +
distinct +
spreading +  and incurved +
6 +  and 5 +
keeled;lanceolate;deltate +
Endemic +  and Conservation concern +
not rooting +
Ceanothus ferrisiae +
Ceanothus subg. Cerastes +
species +
paniclelike +  and racemelike +
not gland-tipped +
unarmed +  and armed +
polygamous +, dioecious +  and synoecious +