Difference between revisions of "Asimina triloba"

Revision as of 22:16, 16 December 2019

Copyright: Flora of North America Association

Shrubs or trees, 1.5-11(-14) m; trunks slender, to 20(-30) cm diam.; bark shallowly furrowed in larger trees. Branches spreading-ascending, slender; new shoots moderately to copiously brown-hairy apically, aging glabrous. Leaves: petiole 5-10 mm. Leaf blade oblong-obovate to oblanceolate, 15-30 cm, membranous, base narrowly cuneate, margins scarcely or not revolute, apex acute to acuminate; surfaces abaxially densely hairy, later sparsely so on veins, adaxially sparsely appressed-pubescent on veins, becoming glabrous. Inflorescences from previous year's shoots before or during new leaf emergence; peduncle nodding, (1-)1.5-2(-2.5) cm, densely hairy, hairs dark brown to red-brown; bracteoles 1-2, basal, usually ovate-triangular, rarely over 2-3 mm, hairy. Flowers maroon, fetid, 2-4(-5) cm diam.; sepals triangular-deltate, 8-12 mm, abaxially densely pilose; outer petals excurved, oblong-elliptic, 1.5-2.5 cm, abaxially puberulent on veins; inner petals elliptic, 1/3-1/2 length of outer petals, base saccate, apex recurved, surfaces abaxially glabrate, veins impressed adaxially, corrugate nectary zone distinct; pistils 3-7(-12). Berries yellow-green, 5-15 cm. Seeds brown to chestnut brown, 1.5-2.5 cm.

Phenology: Flowering early spring.
Habitat: Mesic woods, often alluvial sites, fencerows
Elevation: 0-1500 m

Ont., Ala., Ark., Del., D.C., Fla., Ga., Ill., Ind., Iowa, Kans., Ky., La., Md., Mich., Miss., Mo., Nebr., N.J., N.Y., N.C., Ohio, Okla., Pa., S.C., Tenn., Tex., Va., W.Va.

Discussion

A. pendula Salisbury; Asimina glabra Horta ex C. Koch; Orchidocarpum arietinum Michaux; Porcelia triloba (Linnaeus) Persoon; Uvaria triloba (Linnaeus) Torrey & A. Gray

Selected References

None.

Lower Taxa