Asimina triloba

(Linnaeus) Dunal

Monogr. Anonac., 83. 1817.

Common names: Pawpaw dog-banana Indian-banana aciminier
EndemicIllustrated
Basionyms: Annona triloba Linnaeus Sp. Pl. 1: 537. 1753
Treatment appears in FNA Volume 3.

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 years shoots before or during new leaf emergence; peduncle nodding, (1-) 1.5-2 (-2.5) cm, densely hairy, hairs dark-brown to redbrown; 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, oblongelliptic, 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

Distribution

V3 864-distribution-map.gif

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

None.

... more about "Asimina triloba"
Robert Kral +
(Linnaeus) Dunal +
aromatic +
thickened-corrugate +
cuneate +
Annona triloba +
yellow-green +
5 cm50 mm <br />0.05 m <br /> (15 cm150 mm <br />0.15 m <br />) +
15 cm150 mm <br />0.15 m <br /> (30 cm300 mm <br />0.3 m <br />) +
oblong-obovate;oblanceolate +
ovate-triangular +
spreading-ascending +
slender +
Pawpaw +, dog-banana +, Indian-banana +  and aciminier +
blunt +  and nearly spheric or cuboid +
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. +  and W.Va. +
0-1500 m +
pedunculate +  and few-flowered +
2 cm20 mm <br />0.02 m <br /> (4 cm40 mm <br />0.04 m <br />) +
nodding;nearly erect +
unisexual +  and bisexual +
enlarged +
oblong-cylindric +
coalescent +  and distinct +
Mesic woods, often alluvial sites, fencerows +
dark-brown +  and redbrown +
glabrous;variously hairy +
leathery +  and membranous +
petiolate +  and simple +
deciduous +
aromatic +
flat-topped +
oblongelliptic;excurved +
1.5 cm15 mm <br />0.015 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
bracteolate +  and bracteate +
2 cm20 mm <br />0.02 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
1.5 cm15 mm <br />0.015 m <br /> (2 cm20 mm <br />0.02 m <br />) +
6 +  and 12 +
unequal +  and larger +
0.5 cm5 mm <br />0.005 m <br /> (1 cm10 mm <br />0.01 m <br />) +
Flowering early spring. +
sessile +  and stipitate +
3 +  and 7 +
septate;diaphragmed +
Monogr. Anonac., +
swollen;convex;more or less globose or elongate +
3 +  and many +
compressed +  and bean--shaped +
imbricate +  and valvate +
deciduous +
distinct +
triangular-deltate +
0.8 cm8 mm <br />0.008 m <br /> (?) +  and 1.2 cm12 mm <br />0.012 m <br /> (?) +
aging +  and new +
glabrous +  and brown-hairy +
sparse;copious +
W1 +, Endemic +  and Illustrated +
hypogynous +
short-columnar +
glabrate +, glabrous +, appressed-pubescent +  and hairy +
Orchidocarpum +, Pityothamnus +  and Uvaria +
Asimina triloba +
species +
straight +
slender +
evergreen +  and deciduous +
tree +  and shrub +
unequal +
thickened-corrugate +