Pisonia rotundata

Grisebach

Cat. Pl. Cub., 283. 1866.

Conservation concern
Treatment appears in FNA Volume 4. Treatment on page 73. Mentioned on page 72.

Shrubs or small trees, densely branched, to 5 m. Stems velvety when young, glabrate later; branches ascending, unarmed. Leaf-blades elliptic, 2–6 × 2–5 cm, base rounded, occasionally pubsecent along veins, apex rounded to slightly retuse. Inflorescences: staminate inflorescences compound cymose to corymbose, 2 cm diam.; pistillate densely compound cymose at anthesis, more open in age; branches divaricate or ascending; fruiting pedicel 0.5–2 cm. Perianths: perianth of staminate flowers green or white, urceolate, 2–4 mm; perianth of pistillate flowers greenish, often blushed with red, 3.5–4 mm, densely puberulent. Fruits clavate, 7–10 × 3–4 mm, sparsely puberulent between glandular ribs, glands appearing only along distal 1/3–1/2.


Phenology: Flowering mid spring.
Habitat: Hammocks, pine-scrub on limestone
Elevation: 0-10 m

Discussion

Of conservation concern.

In the flora, Pisonia rotundata is restricted to Big Pine and No Name keys, Monroe County. It is part of the P. subcordata complex distributed throughout the West Indies. The plants are said to give off a resinous odor.

Selected References

None.

Lower Taxa

None.
... more about "Pisonia rotundata"
John S. Clement +  and Richard W. Spellenberg +
Grisebach +
glutinous +
nearly +  and symmetric +
rounded +
unequal +
woody +, leathery +  and fleshy +
undulate;plane;linear;ovate or more or less round +
thick;thin +
persistent +
connate +  and distinct +
corollalike +  and petaloid +
Fla. +  and West Indies +
0-10 m +
curved +  and straight +
pistillate +  and staminate +
tubular +, urceolate +  and campanulate +
not constricted +
inconspicuous +  and showy +
1 +  and 80 +
chasmogamous +  and unisexual +
7mm;10mm +
clavate +
coriaceous +
0.3 cm3 mm <br />0.003 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
Hammocks, pine-scrub on limestone +
open +, cymose +, compound +, pistillate +  and staminate +
2 cm20 mm <br />0.02 m <br /> (?) +
0.5 cm5 mm <br />0.005 m <br /> (2 cm20 mm <br />0.02 m <br />) +
2 cm20 mm <br />0.02 m <br /> (6 cm60 mm <br />0.06 m <br />) +
2 cm20 mm <br />0.02 m <br /> (5 cm50 mm <br />0.05 m <br />) +
of unequal size +
pubescent +  and glabrous +
sinuate +  and entire +
urceolate +
0.35 cm3.5 mm <br />0.0035 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
Flowering mid spring. +
Cat. Pl. Cub., +
1 +  and 5 +
angulate +  and rounded +
thick +  and thin +
fibrous;fleshy +
membranaceous +
ribbed +, 10-ribbed +  and 5-ribbed +
pubescent +, glabrous +  and warty +
wrinkled +
Conservation concern +
armed +  and unarmed +
drooping +, arched +  and erect +
penicillate +
filiform +
Pisonia rotundata +
species +
gland-tipped +
expanding +
tree +  and shrub +