Styrax americanus Lam.

American snowbell (en)

Species

Angiosperms > Ericales > Styracaceae > Styrax

Characteristics

Shrubs or trees, to 5 m, not suckering from roots. Leaves: petiole 2-6 mm; blade with 5-8 secondary veins, elliptic or broadly elliptic to obovate or nearly ovate, 1.2-10 × 0.6-5.7 cm, largest blades on sterile shoots 2-5.7 cm wide, margins of at least some leaves denticulate to serrate, rarely also lobed, longest arms of abaxial hairs 0.1-0.2 mm. False-terminal inflorescences 2-5-flowered or solitary flower, 2-3.5 cm; axillary flowers present on at least some shoots (subtending leaves often reduced). Pedicels 4-10(-14) mm, longer than calyx. Flowers: calyx 2.5-4 × 2.5-4.5 mm; corolla 11-16 mm, tube 1.5-3 mm, lobes 5(-6), imbricate or subinduplicate-valvate in bud, strongly reflexed, elliptic to narrowly elliptic, 7-14 × 1-5 mm; filaments distinct beyond adnation to corolla. Capsules globose, 7-9 × 7-9 mm (broader when 2-3-seeded), gray stellate-pubescent, dehiscent nearly or completely to proximal end, broadly exposing seed(s); fruit wall 0.3-0.4 mm thick. 2n = 16.
More
Branched shrub to 4 m; lvs narrowly elliptic, 3–10 cm, acuminate, usually serrulate distally, paler beneath but glabrous or nearly so; fls on short, lateral, leafy branches, a few solitary or paired in the axils and 2–4 in short, terminal, semi-drooping racemes; cal 3–4 mm; cor-lobes 10–12 mm, longer than the tube; fr subglobose or obovoid, 6–8 mm thick; 2n=16. Swamps and wet woods, chiefly on the coastal plain; se. Va. to Fla. and La., n. in the Miss. valley to s. Ind., and at scattered stations in s. Pa., Ky., s. O., and n. Ind. May, June. Our plants are var. americanus. A more hairy var. (pulverulentus) occurs southward.
Life form perennial
Growth form shrub
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 3.5 - 4.8
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light 5-7
Soil humidity -
Soil texture -
Soil acidity 2-7
Soil nutriment -
Hardiness (USDA) 7-10

Usage

Uses -
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Can be grown by cuttings or seedlings.
Mode cuttings seedlings
Germination duration (days) 30 - 90
Germination temperacture (C°) 12 - 18
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Styrax americanus unspecified picture

Distribution

Styrax americanus world distribution map, present in United States of America

Conservation status

Styrax americanus threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:247599-2
WFO ID wfo-0000492745
COL ID 53C3B
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Styrax americanus Adnaria odorata Styrax rigidus Styrax laevis Halesia parviflora Styrax pulverulentus Styrax americanus f. glaber Styrax americanus f. pulverulentus Styrax laevigatus Styrax angustifolius buc'hoz Styrax octandrus l'hér. ex Styrax americanus var. americanus Styrax americanus var. laevis Styrax americanus var. pulverulentus