Quercus palustris Muenchh.

• Authority

  Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.

• Family

  Fagaceae

• Scientific Name

  Quercus palustris Münchh.

• Description

  Species Description - Tree to 30 m, the lower branches ± persistent, slender, widely spreading and usually slightly declined; bark smooth, or with shallow furrows and flat ridges; mature twigs glabrous; lvs shining, paler beneath, glabrous except for the conspicuous tufts of stellate hairs in the vein- axils beneath, often cuneate at the base and decurrent on the petiole; lf-lobes 2 or 3 pairs, much longer than the width of the central body of the blade, often widened distally and toothed, bristle-tipped; upper edge of lf-lobes ± perpendicular to the midvein; secondary lf-lobes fewer than in no. 27 [Quercus shumardii Buckley]; winter-buds relatively small, acute, subglabrous; acorn-cup saucer-shaped, 1–2.5 cm wide, covering a fourth to a third of the nut, with very small, puberulent scales; nut 10–14 mm. Mostly in low, periodically flooded places, but susceptible to cult. on upland sites; Mass. and Vt. to Mich., Io., and Kans., s. to N.C., Tenn., and Okla.

• Common Names

  pin oak