Stillingia aquatica

Chapman

Fl. South. U.S., 405. 1860.

Common names: Water toothleaf corkwood
Endemic
Treatment appears in FNA Volume 12. Treatment on page 234. Mentioned on page 236.

Shrubs with taproot. Stems solitary, erect, branching near apex, 4–12 dm. Leaves alternate; stipules linear, 1.5–2 mm; petiole 0.1–0.5 (–1) cm; blade linear, lanceolate, or narrowly elliptic, 3.5–10 × (0.2–) 0.5–2.5 cm, base acute to narrowly obtuse, margins minutely crenulate, teeth without prominent blackened tips, not incurved, apex acute to acuminate; midvein prominent, secondary-veins ± obscure. Inflorescences sessile, 3–5 cm; staminate cymules ± crowded, 5–15-flowered; pistillate flowers 1–2 (–4), crowded; bracts narrowly ovate to oblong, 2 mm, apex acute, glands crateriform, short-stalked, 1–1.2 mm diam. Staminate flowers: calyx 1–1.3 mm. Pistillate flowers: sepals persistent, 3, well developed, ± orbiculate; styles connate 3/4 length, to 4 mm. Capsules globose, 4–5 × 6–7 mm, shallowly 3-lobed; lobes of gynobase 3–3.5 mm; columella absent or only short basal part persistent. Seeds gray, globose, 4.5 × 4 mm, rugulose; caruncle minute.


Phenology: Flowering Feb–May; fruiting (Feb–)May–Oct.
Habitat: Floodplain swamps, wet pinelands, shallow standing water, pond edges, maritime interdunal swales, generally in moist soils.
Elevation: 0–200 m.

Discussion

Selected References

None.

Lower Taxa

None.

"connate" is not a number. "distinct" is not a number."dm" 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 "Stillingia aquatica"
acute;acute;acuminate +
Michael J. Huft +
Chapman +
acute +  and narrowly obtuse +
0.2 cm2 mm <br />0.002 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
3.5 cm35 mm <br />0.035 m <br /> (10 cm100 mm <br />0.1 m <br />) +
elliptic;lanceolate;elliptic;lanceolate;linear +
0.5 cm5 mm <br />0.005 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
narrowly ovate +  and oblong +
2 cm20 mm <br />0.02 m <br /> (?) +
0.1 cm1 mm <br />0.001 m <br /> (?) +  and 0.13 cm1.3 mm <br />0.0013 m <br /> (?) +
0.4 cm4 mm <br />0.004 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
3-lobed +  and globose +
0.6 cm6 mm <br />0.006 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
Water toothleaf +  and corkwood +
5-15-flowered +  and staminate +
Ala. +, Fla. +, Ga. +  and S.C. +
0–200 m. +
pistillate +  and staminate +
short-stalked +
0.1 cm1 mm <br />0.001 m <br /> (0.12 cm1.2 mm <br />0.0012 m <br />) +
subtending +
crateriform +
[2-]3-lobed +
Floodplain swamps, wet pinelands, shallow standing water, pond edges, maritime interdunal swales, generally in moist soils. +
leaf-opposed +, terminal +  and axillary +
3 cm30 mm <br />0.03 m <br /> (5 cm50 mm <br />0.05 m <br />) +
deciduous +
palmate +  and pinnate +
spinulose-dentate +, serrulate +, dentate +  and entire +
crenulate +
connate;distinct +
0.5 cm5 mm <br />0.005 m <br /> (1 cm10 mm <br />0.01 m <br />) +
0.1 cm1 mm <br />0.001 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
Flowering Feb–May +  and fruiting (Feb–)May–Oct. +
[2-]3-carpellate +
Fl. South. U.S., +
4.5 cm45 mm <br />0.045 m <br /> (?) +
rugulose +
globose +
4 cm40 mm <br />0.04 m <br /> (?) +
persistent +
distinct +  and connate +
orbiculate +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
multifid +  and 2-fid +
0 cm0 mm <br />0 m <br /> (?) +  and 0.4 cm4 mm <br />0.004 m <br /> (?) +
Stillingia aquatica +
Stillingia +
species +
spikelike +
blackened +
prominent +
not incurved +
perennial +  and annual +