Euphorbia floridana

Chapman

Fl. South. U.S., 401. 1860.

Common names: Greater Florida spurge
Endemic
Synonyms: Galarhoeus floridanus (Chapman) Small
Treatment appears in FNA Volume 12. Treatment on page 314. Mentioned on page 238.

Herbs, perennial, with slender to moderately thickened rootstock. Stems erect, 20–65 cm. Leaves: petiole absent; blade linear to linear-elliptic or linear-lanceolate, 30–105 × 2–4 (–7) mm, chartaceous, base attenuate, rounded, or nearly truncate, apex acute; only midvein evident. Cyathial arrangement: terminal pleiochasial branches 3–5, 3–16 cm, 3–5 (–7) times 2-branched; pleiochasial bracts linear-lanceolate or narrowly ovate, 19–55 × 4–12 mm, margins entire, apex acute or acuminate; dichasial bracts usually ovate, lanceolate, or oblong, rarely deltate, 8–21 × 4–14 mm, margins entire, apex acute, acuminate, or rounded with mucronate tip; axillary cymose branches 1–3 (–6). Cyathia: peduncle (except for that of 1st cyathium at base of pleiochasia) 2–5 mm (not exceeding dichasial bracts). Involucre campanulate or obconic, 1.6–3.3 × 1.8–3.1 mm, lobes ovate, 0.5–0.7 mm, ciliate, exceeded by glands; glands yellow-green, oblong to trapezoidal, 0.5–0.8 × 0.8–1.2 mm, distal margins deeply erose. Staminate flowers 20. Pistillate flowers: gynophore exserted 2.9–5.3 mm, calyxlike lobes triangular, 0.3–0.7 mm; styles connate 1/3–1/4 length, 1.1–1.7 mm. Capsules oblate-ovoid, 4.6–5.5 × 8.9–9 mm, strongly 3-lobed; columella 3.4–4.2 mm. Seeds brown to blackish, depressed-globose, circular in cross-section, 2.8–3 × 3.2–3.6 mm, smooth, base flattened, with punctiform depressions, apex flattened.


Phenology: Flowering and fruiting spring–fall.
Habitat: Xeric pine-oak sandhills, pine scrub, sandy soils.
Elevation: 20–80 m.

Discussion

Selected References

None.

Lower Taxa

None.

"connate" is not a number. "distinct" is not a number."/3" is not declared as a valid unit of measurement for this property. "/4" is not declared as a valid unit of measurement for this property.

... more about "Euphorbia floridana"
0.4 cm4 mm <br />0.004 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
30mm;105mm +
flattened;rounded;acuminate;rounded;acuminate;acute;acuminate;acute;acute;truncate;rounded;attenuate;linear-lanceolate;linear-elliptic +
2mm;4mm +
Victor W. Steinmann +  and Jess A. Peirson +
Chapman +
0.4 cm4 mm <br />0.004 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
3 cm30 mm <br />0.03 m <br /> (?) +  and 10.5 cm105 mm <br />0.105 m <br /> (?) +
flattened +, acute +, truncate +, rounded +, attenuate +, linear-lanceolate +  and linear-elliptic +
2mm;4mm +
unlobed +
dichasial +  and pleiochasial +
distinct +
0.8 cm8 mm <br />0.008 m <br /> (2.1 cm21 mm <br />0.021 m <br />) +
deltate +, oblong +, lanceolate +, ovate +  and linear-lanceolate +
slightly smaller +
0.4 cm4 mm <br />0.004 m <br /> (?) +  and 1.4 cm14 mm <br />0.014 m <br /> (?) +
cymose +, 2-branched +  and pleiochasial +
additional +
0.46 cm4.6 mm <br />0.0046 m <br /> (0.55 cm5.5 mm <br />0.0055 m <br />) +
3-lobed +  and oblate-ovoid +
0.89 cm8.9 mm <br />0.0089 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
0.34 cm3.4 mm <br />0.0034 m <br /> (0.42 cm4.2 mm <br />0.0042 m <br />) +
Greater Florida spurge +
Ala. +, Fla. +  and Ga. +
20–80 m. +
pistillate +  and staminate +
yellow-green +
0.5mm;0.8mm +
subtending +
oblong +  and trapezoidal +
0.8mm +  and 1.2mm +
0.29 cm2.9 mm <br />0.0029 m <br /> (0.53 cm5.3 mm <br />0.0053 m <br />) +
Xeric pine-oak sandhills, pine scrub, sandy soils. +
axillary +  and terminal +
0.16 cm1.6 mm <br />0.0016 m <br /> (0.33 cm3.3 mm <br />0.0033 m <br />) +
obconic +  and campanulate +
0.18 cm1.8 mm <br />0.0018 m <br /> (0.31 cm3.1 mm <br />0.0031 m <br />) +
caducous +, deciduous +  and persistent +
bractlike +
triangular;ovate +
palmate +  and pinnate +
crenulate +
0.2 cm2 mm <br />0.002 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
connate;distinct +
Flowering and fruiting spring–fall. +
Fl. South. U.S., +
spreading +  and erect +
slender +  and moderately thickened +
brown;blackish +
0.28 cm2.8 mm <br />0.0028 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
depressed-globose +
0.32 cm3.2 mm <br />0.0032 m <br /> (0.36 cm3.6 mm <br />0.0036 m <br />) +
free +, connate +  and distinct +
unbranched +  and branched +
20 cm200 mm <br />0.2 m <br /> (65 cm650 mm <br />0.65 m <br />) +
deciduous +  and persistent +
0.11 cm1.1 mm <br />0.0011 m <br /> (?) +  and 0.17 cm1.7 mm <br />0.0017 m <br /> (?) +
Galarhoeus floridanus +
Euphorbia floridana +
Euphorbia sect. Nummulariopsis +
species +
3-5(-7) times 2-branched +  and pleiochasial +
3 cm30 mm <br />0.03 m <br /> (16 cm160 mm <br />0.16 m <br />) +
mucronate +
10 +, 9 +, 8 +, 7 +  and 6 +