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Magnolia tripetala (L.) L.  

No occurrences found

Family: Magnoliaceae
umbrella-tree
[Magnolia virginiana var. tripetala L.]
Magnolia tripetala image
Paul Rothrock
  • FNA
  • Gleason & Cronquist
  • Resources
Frederick G. Meyer in Flora of North America (vol. 3)
Trees , deciduous, often multitrunked, to 15 m. Bark gray, smooth. Pith homogeneous. Twigs and foliar buds glabrous. Leaves crowded in terminal whorl-like clusters; stipules (4-)6.6-9.4(-10) × 2.6-3.7 cm, abaxially red glandular, sparsely pilose. Leaf blade elliptic-oblong to narrowly obovate, or oblanceolate, (10-)26-57(-70) × (7.2-)10-30 cm, thin, broadest near middle, base cuneate to long-tapered, apex very short to long-acuminate or abruptly acute, rarely apiculate; surfaces abaxially densely pilose, especially on midvein, adaxially green, glabrous. Flowers malodorous, 5.5-11 cm across; spathaceous bracts 2, abaxially glandular; tepals spreading, creamy white, outermost whorl sepaloid, reflexed, greenish; stamens 81-103(-115), 8-17 mm; filaments purple; pistils (45-)53-66(-73). Follicetums cylindric to ovoid-cylindric, 6-10 × 2-3.5 cm; follicles long-beaked, glabrous. Seeds lenticular to nearly ovoid, 9-12 mm, aril deep pink to red. 2 n =38. Flowering spring. Rich woods and ravines, mainly in uplands, rarely coastal plain; 0-1065m; Ala., Ark., Fla., Ga., Ind., Ky., Md., Miss., N.C., Ohio, Okla., Pa., S.C., Tenn., Va., W.Va. In Virginia Magnolia tripetala is a disjunct in the coastal plain. The malodorous flowers of Magnolia tripetala are uniquely associated with this species. The tree is occasionally cultivated. Both filiform and flagelliform trichomes occur on the leaves. Sometimes cylindric trichomes also occur.

The largest known tree of Magnolia tripetala , 15.2m in height with a trunk diameter of 87 cm, is recorded from Bucks County, Pennsylvania (American Forestry Association 1994).

Vascular plants of NE US and adjacent Canada
Small tree to 10 m; winter terminal bud 2-3 cm, glabrous; lf scars with minute resin glands; lvs closely clustered beneath the fls, deciduous, thin, lance-obovate, at anthesis 1.5-2 dm, at maturity to 5 dm, abruptly and sharply acuminate, tapering from the middle to an acute base, the lower surface green, finely and sparsely hairy; fls white, malodorous; pet 6-9, oblanceolate to narrowly obovate, spreading, 8-14 cm; style thick, persisting as a beak on the glabrous follicle; fr-cone ellipsoid-cylindric, 7-12 cm; 2n=38. Rich woods; Ga. to Ark., n. to s. Pa., W.Va., O., Ky., and e. Mo. May.

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

©The New York Botanical Garden. All rights reserved. Used by permission.
Magnolia tripetala
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