Euphorbia florida

Engelmann in W. H. Emory

Rep. U.S. Mex. Bound. 2(1): 189. 1859.

Common names: Chiricahua Mountain sandmat
Synonyms: Chamaesyce florida (Engelmann) Millspaugh
Treatment appears in FNA Volume 12. Treatment on page 267. Mentioned on page 255.

Herbs, annual, with slender taproot. Stems erect, 15–60 cm, usually glabrous, rarely puberulent. Leaves opposite; stipules distinct, divided into 3–4 subulate-filiform divisions, 0.4–1.6 mm, usually glabrous, rarely puberulent; petiole 0.5–2.5 mm, glabrous; blade usually linear, rarely to narrowly elliptic, 10–40 (–60) × 0.5–2.5 mm, base symmetric, attenuate, margins serrulate, often revolute, apex acute, surfaces usually glabrous, rarely puberulent; obscurely pinnately veined. Cyathia solitary at nodes or in small, cymose clusters at branch tips; peduncle 1.2–8.1 mm. Involucre obconic, 1.7–2.4 × 1.5–2.1 mm, glabrous; glands 4, greenish yellow to slightly pink, circular to oblong, 0.4–0.5 × 0.4–0.6 mm; appendages white to pink, obovoid, circular, flabellate, or oblong, 0.8–2.9 × 1–2.8 mm, distal margin entire. Staminate flowers 25–35. Pistillate flowers: ovary glabrous; styles 0.8–1.4 mm, 2-fid entire length. Capsules oblate, 2.2–2.5 × 2.7–3.1 mm, glabrous; columella 1.8–2.1 mm. Seeds light gray to light-brown, ovoid, slightly 4-angled in cross-section, 1.6–2 × 1.3–1.7 mm, with 2 or 3 well-developed transverse ridges.


Phenology: Flowering and fruiting summer–late fall.
Habitat: Sandy flats, gravelly washes, rocky hillsides, talus slopes, desert scrub, desert grasslands, mesquite woodlands, rarely oak woodlands.
Elevation: 600–1300 m.

Distribution

V12 657-distribution-map.jpg

Ariz., Mexico (Sinaloa), Mexico (Sonora)

Discussion

Euphorbia florida is known in the flora area from Coconino County south to the Mexican border

Selected References

None.

Lower Taxa

None.

"connate" is not a number. "distinct" is not a number."entire" is not a number.

... more about "Euphorbia florida"
0.08 cm0.8 mm <br />8.0e-4 m <br /> (0.29 cm2.9 mm <br />0.0029 m <br />) +
oblong +, flabellate +, circular +  and obovoid +
0.1 cm1 mm <br />0.001 m <br /> (0.28 cm2.8 mm <br />0.0028 m <br />) +
Victor W. Steinmann +, Jeffery J. Morawetz +, Paul E. Berry +, Jess A. Peirson +  and Ya Yang +
Engelmann in W. H. Emory +
attenuate +
Anisophyllum +
4 cm40 mm <br />0.04 m <br /> (6 cm60 mm <br />0.06 m <br />) +
1 cm10 mm <br />0.01 m <br /> (4 cm40 mm <br />0.04 m <br />) +
unlobed +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
0.22 cm2.2 mm <br />0.0022 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
0.27 cm2.7 mm <br />0.0027 m <br /> (0.31 cm3.1 mm <br />0.0031 m <br />) +
0.18 cm1.8 mm <br />0.0018 m <br /> (0.21 cm2.1 mm <br />0.0021 m <br />) +
Chiricahua Mountain sandmat +
Ariz. +, Mexico (Sinaloa) +  and Mexico (Sonora) +
subulate-filiform +
600–1300 m. +
pistillate +  and staminate +
greenish yellow +  and slightly pink +
0.4mm;0.5mm +
subtending +
circular +  and oblong +
0.4mm +  and 0.6mm +
Sandy flats, gravelly washes, rocky hillsides, talus slopes, desert scrub, desert grasslands, mesquite woodlands, rarely oak woodlands. +
axillary +  and terminal +
0.17 cm1.7 mm <br />0.0017 m <br /> (0.24 cm2.4 mm <br />0.0024 m <br />) +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.21 cm2.1 mm <br />0.0021 m <br />) +
caducous +, deciduous +  and persistent +
bractlike +
palmate +  and pinnate +
toothed +  and entire +
0.12 cm1.2 mm <br />0.0012 m <br /> (0.81 cm8.1 mm <br />0.0081 m <br />) +
connate;distinct +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
Flowering and fruiting summer–late fall. +
Rep. U.S. Mex. Bound. +
light gray;light-brown +
0.16 cm1.6 mm <br />0.0016 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
4-angled +  and ovoid +
0.13 cm1.3 mm <br />0.0013 m <br /> (0.17 cm1.7 mm <br />0.0017 m <br />) +
free +, connate +  and distinct +
puberulent +  and glabrous +
flattened +  and terete +
15 cm150 mm <br />0.15 m <br /> (60 cm600 mm <br />0.6 m <br />) +
interpetiolar +
puberulent +  and glabrous +
0.04 cm0.4 mm <br />4.0e-4 m <br /> (0.16 cm1.6 mm <br />0.0016 m <br />) +
connate +  and distinct +
0.08 cm0.8 mm <br />8.0e-4 m <br /> (?) +  and 0.14 cm1.4 mm <br />0.0014 m <br /> (?) +
puberulent +  and glabrous +
Chamaesyce florida +
Euphorbia florida +
Euphorbia sect. Anisophyllum +
species +
axillary +  and terminal +
10 +, 9 +, 8 +, 7 +  and 6 +