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.
Revision as of 17:19, 29 July 2020 by imported>Volume Importer
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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 +