Monographs Details:
Authority:
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
Family:
Fagaceae
Fagaceae
Description:
Species Description - Small or large tree with thick, rough, deeply furrowed bark; lvs 9–15 × 5–10 cm, obovate or often cruciform, thick, variable, usually with a few large, rounded lobes, the main pair of lateral lobes usually constricted at base and with truncate to retuse tip, pubescent on both sides with erect, few-branched hairs, those of the upper surface often deciduous just above the base; petioles and twigs persistently pubescent; acorns sessile or nearly so, the cup hemispheric or pyriform, covering half the nut, its scales flat or nearly so; nut ovoid, 1–1.5 cm. Dry upland woods and barrens; se. Mass. and s. N.Y. to O., Ind., and s. Io., s. to Fla. and Tex., common along our s. border.
Species Description - Small or large tree with thick, rough, deeply furrowed bark; lvs 9–15 × 5–10 cm, obovate or often cruciform, thick, variable, usually with a few large, rounded lobes, the main pair of lateral lobes usually constricted at base and with truncate to retuse tip, pubescent on both sides with erect, few-branched hairs, those of the upper surface often deciduous just above the base; petioles and twigs persistently pubescent; acorns sessile or nearly so, the cup hemispheric or pyriform, covering half the nut, its scales flat or nearly so; nut ovoid, 1–1.5 cm. Dry upland woods and barrens; se. Mass. and s. N.Y. to O., Ind., and s. Io., s. to Fla. and Tex., common along our s. border.
Common Names:
post oak
post oak