familyNyssaceae
genusNyssa

Difference between revisions of "Nyssa biflora"

Walter

Fl. Carol., 253. 1788.

Common names: Swamp black or sour gum
Endemic
Synonyms: Nyssa sylvatica subsp. biflora (Walter) A. E. Murray N. sylvatica var. biflora (Walter) Sargent
Treatment appears in FNA Volume 12. Treatment on page 461. Mentioned on page 459.
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|genus=Nyssa
 
|genus=Nyssa
 
|species=Nyssa biflora
 
|species=Nyssa biflora

Latest revision as of 19:13, 5 November 2020

Trees, 10–30 m, base often buttressed in larger individuals, proximal limbs spreading to slightly drooping, crown irregular; bark irregularly fissured; twigs glabrous or puberulent. Leaves: petiole 7–10 mm; blade oblanceolate to narrowly elliptic, rarely ovate, 3.7–7.2 × 1.6–3.5 cm, subcoriaceous, base cuneate to rounded, margins usually entire, rarely coarsely dentate distally, apex obtuse to acute, abaxial surface glabrous or puberulent (primarily along veins), adaxial surface glabrous. Inflorescences: peduncle 3.2–5.5 cm, sparsely hairy; staminate (1–)2–8-flowered, pistillate and bisexual 1–3-flowered. Staminate pedicels present. Flowers: ovary glabrous. Drupes usually black, sometimes to blue, glaucous, ovoid, 7–14 mm, smooth; stone 7–9 mm, with several low, rounded longitudinal ridges.


Phenology: Flowering spring.
Habitat: Swamps, flatwood depressions and ponds, bogs, wet streamheads, seepage slopes, often in sites with standing water during part of the year or with organic soils saturated year-round, less often in mesic forests.
Elevation: 0–100(–200) m.

Distribution

V12 169-distribution-map.jpg

Ala., Ark., Del., Fla., Ga., Ill., Ky., La., Md., Miss., Mo., N.J., N.C., S.C., Tenn., Tex., Va.

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Nyssa biflora"
Gordon C. Tucker +  and Tracy J. Park +
Walter +
Swamp black or sour gum +
Ala. +, Ark. +, Del. +, Fla. +, Ga. +, Ill. +, Ky. +, La. +, Md. +, Miss. +, Mo. +, N.J. +, N.C. +, S.C. +, Tenn. +, Tex. +  and Va. +
0–100(–200) m. +
Swamps, flatwood depressions and ponds, bogs, wet streamheads, seepage slopes, often in sites with standing water during part of the year or with organic soils saturated year-round, less often in mesic forests. +
Flowering spring. +
Fl. Carol., +
Nyssa sylvatica subsp. biflora +  and N. sylvatica var. biflora +
Nyssa biflora +
species +