familyEuphorbiaceae
genusEuphorbia
sectionEuphorbia sect. Anisophyllum
speciesEuphorbia ocellata
subspeciesEuphorbia ocellata subsp. rattanii
Euphorbia ocellata subsp. rattanii
Phytologia 67: 47. 1989.
Common names: Rattan’s sandmat
Endemic
Basionym: Euphorbia rattanii S. Watson Proc. Amer. Acad. Arts 20: 372. 1885
Synonyms: Chamaesyce ocellata subsp. rattanii (S. Watson) Koutnik C. rattanii (S. Watson) Millspaugh E. ocellata var. rattanii (S. Watson) L. C. Wheeler
Stems 10–22 cm, pilose. Leaves: stipules 1–1.5 mm, pilose; petiole 0.9–2 mm, pilose; blade 4.2–9.5 × 2.7–5 mm, apex acute to obtuse, surfaces pilose; lateral-veins visible abaxially on larger leaves. Peduncle 1–2.2 mm. Involucre 2–2.5 × 1.7–2.4 mm, pilose; gland appendages present. Pistillate flowers: ovary pilose. Capsules 1.9–2.4 × 2–3.1 mm, pilose; columella 1.6–2 mm. Seeds pale gray to black, oblong, 1.6–1.7 × 0.8–1.2 mm, rugose.
Phenology: Flowering and fruiting summer–fall, occasionally spring.
Habitat: Roadsides, gravelly or sandy dry stream beds.
Elevation: 80–500 m.
Discussion
Subspecies rattanii occurs in the Sacramento Valley in Colusa, Glenn, and Tehama counties.
Selected References
None.
Lower Taxa
None.
"connate" is not a number. "distinct" is not a number."connate" is not a number. "distinct" is not a number.
... more about "Euphorbia ocellata subsp. rattanii"
dehiscing +
acute;obtuse +
petaloid +
whitish +
absent +
orbiculate +
asymmetric +
monomorphic +
ovate;deltate or falcate +
absent +
pilose +
absent +
Rattan’s sandmat +
fascicles +
Calif. +
pistillate +
30;70 +
unisexual +
septicidal +
dehiscent +
absent +
deep +
0.4mm;0.6mm +
subtending +
absent +
cymose +
capitate +
cluster +
unbranched +
absent +
absent +
bisexual +
actinomorphic +
not spurred +
pilose +
campanulate +
palmate +
absent +
visible +
white +
absent +
simple +
fascicled +
opposite +
bractlike +
reddish +
revolute +
spongy +
conspicuous +
absent +
(1-)3-5(-20)-locular +
axile +
superior +
pilose +
anatropous +
absent +
hypogynous +
connate;distinct +
absent +
absent +
pilose +
3-carpellate +
absent +
cymose +
cluster +
Phytologia +
1989 +
thickened +
pale gray;black +
rugose +
oblong +
absent +
2;12 +
longitudinal +
Endemic +
branched +
prostrate +
pilose +
1;32 +
deciduous +
distinct +
interpetiolar +
absent +
pilose +
subulate +
unbranched +
2-fid +
palmate +
pilose +
Euphorbia ocellata subsp. rattanii +
Euphorbia ocellata +
subspecies +
cyathial +
annual +
monoecious +