Flora of North America species comparison

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Planera aquatica

Planera

planer tree, water-elm

planer tree, water-elm
Habit Trees, to 12 m; crowns low, broad.
Bark

gray or light brown, scaly and flaky.
Branches

unarmed, spreading;

twigs hirtellous when young, glabrate.
Leaves

blade 3-8 × (2-)2.5(-4) cm.

blade rhombic-ovate to ovate-oblong, base oblique to rounded or cuneate, margins unequally serrate, apex acute;

venation pinnate.
Inflorescences

staminate fascicles; pistillate solitary flowers or 2-3 together.
Flowers

if bisexual, ovary stalked, 1-locular, ovoid, tubercular;

styles 2, reflexed.

normally unisexual, pedicellate, staminate and pistillate on same plants, a few bisexual flowers usually present;

calyx deeply 4-5-lobed;

stamens when present 4-5.
Fruits

stalked, compressed, ca. 8 mm, leathery, hirtellous, covered with irregular warty excrescences.

nutlike, ellipsoid, with irregular, thickened ribs.
Seeds

ovoid.

Wood

weak, brittle.

Planera aquatica

Planera
Phenology Flowering spring (Apr–May).
Habitat Swamps, streams, lakes, alluvial flood plains, often forming large stands
Elevation 0-200 m (0-700 ft)
Distribution
from FNA
AL; AR; FL; GA; IL; KY; LA; MO; MS; NC; OK; SC; TN; TX
[WildflowerSearch map]
[BONAP county map]
from USDA
North America (se United States)
[BONAP county map]
Discussion

Planera aquatica is endemic to southeastern United States.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Species 1 (1 in the flora).

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 3. FNA vol. 3. Author: William T. Barker.
Parent taxa Ulmaceae > Planera Ulmaceae
Subordinate taxa
P. aquatica
Name authority J. F. Gmelin: Syst. Nat. 2: 150. (1791) J. F. Gmelin: Syst. Nat. 2: 150. (1791)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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(If the plant you're looking for doesn't show up in the auto-complete list, that means it either isn't described in Flora of North America yet, or it's listed under a synonym. And please note that Flora of North America is still missing several plant families, including Fabaceae, Apiaceae, Boraginaceae, and Polemoniaceae.)

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