Croton glandulosus var. arenicola

(Small) B. W. van Ee, P. E. Berry & Ginzbarg

Harvard Pap. Bot. 14: 49. 2009.

Endemic
Basionym: Croton arenicola Small Bull. New York Bot. Gard. 3: 428. 1905
Treatment appears in FNA Volume 12. Treatment on page 215. Mentioned on page 216.

Plants 1–2 dm. Stems densely stellate-hairy, hairs appressed, radii equal. Leaves: petiole apical glands sessile, circular when dry, 0.2 mm diam.; blade 0.7–3.5 × 0.5–1.5 cm, length mostly 2 times width or less, firm-thick, marginal teeth rounded, both surfaces densely stellate-hairy; base obscurely 3-veined.


Phenology: Flowering year-round.
Habitat: Beaches, old fields, disturbed sites, sandy waste places.
Elevation: 0–50 m.

Discussion

Variety arenicola is restricted to Miami-Dade, Monroe, and Palm Beach counties. A. M. Ferguson (1901) treated a collection of this variety as Croton betulinus Vahl, but that is a distinct, perennial species from the West Indies.

Selected References

None.

Lower Taxa

None.

No values specified."connate" is not a number. "distinct" is not a number.

stellate-hairy +  and glabrous +
straight +
obtuse;rounded +
Benjamin W. van Ee +  and Paul E. Berry +
(Small) B. W. van Ee, P. E. Berry & Ginzbarg +
obtuse +  and truncate +
Croton arenicola +
3.5 cm35 mm <br />0.035 m <br /> (7 cm70 mm <br />0.07 m <br />) +
1.5 cm15 mm <br />0.015 m <br /> (3 cm30 mm <br />0.03 m <br />) +
less +  and 2 +
0.7 cm7 mm <br />0.007 m <br /> (3.5 cm35 mm <br />0.035 m <br />) +
oblong-lanceolate;ovate +
0.35 cm3.5 mm <br />0.0035 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
0.4 cm4 mm <br />0.004 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
0–50 m. +
pistillate +  and staminate +
sessile +  and shortly stipitate +
subtending +
cuplike +
Beaches, old fields, disturbed sites, sandy waste places. +
scale-like +  and stellate +
axillary +  and terminal +
palmate +  and pinnate +
colorless +  and reddish +
deciduous +, semideciduous +  and persistent +
palmate +  and pinnate +
coarsely crenate +  and serrate-dentate +
extrastaminal +
pistillate +  and staminate +
0 cm0 mm <br />0 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
pale green +  and white +
list;count;distinct +
rudimentary +
oblanceolate +
0.1 cm1 mm <br />0.001 m <br /> (0.13 cm1.3 mm <br />0.0013 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (1 cm10 mm <br />0.01 m <br />) +
Flowering year-round. +
(1-)3-carpellate +
Harvard Pap. Bot. +
1 cm10 mm <br />0.01 m <br /> (3 cm30 mm <br />0.03 m <br />) +
0.3 cm3 mm <br />0.003 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
lenticular +, globose +, ovoid +, oblong +  and ellipsoid +
0.2 cm2 mm <br />0.002 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
valvate +  and imbricate +
distinct +  and connate +
subequal +
0.6 cm6 mm <br />0.006 m <br /> (0.75 cm7.5 mm <br />0.0075 m <br />) +
stellate-hairy +
caducous +, deciduous +  and persistent +
linear-subulate +
0 cm0 mm <br />0 m <br /> (0.05 cm0.5 mm <br />5.0e-4 m <br />) +
connate +  and distinct +
0.1 cm1 mm <br />0.001 m <br /> (?) +  and 0.25 cm2.5 mm <br />0.0025 m <br /> (?) +
stellate-hairy +
Decarinium glandulosum +, Geiseleria glandulosa +  and Oxydectes glandulosa +
Croton glandulosus var. arenicola +
Croton glandulosus +
variety +
14 +, 10 +, 9 +  and 8 +