Triosteum angustifolium L.

Yellowfruit horse-gentian (en)

Species

Angiosperms > Dipsacales > Caprifoliaceae > Triosteum

Characteristics

More slender than the previous 2 spp., the stems 3–8 dm, sparsely and retrorsely setose-hispid with hairs 1.5–3 mm and also glandular with shorter hairs; lvs oblanceolate to obovate, the main ones 8–18 × 2–6 cm, narrowed below the middle to a sessile base, setose-strigose above with hairs 1–2 mm; fls usually solitary in the axils; sep 9–12 mm, hispid-ciliate, the back glabrous or pubescent; cor greenish-yellow, loosely villous; fr orange-red. Moist woods and low ground; May, June. Two vars.: Var. angustifolium, pubescence of the lower lf-surface none or restricted to the veins; lvs mostly about a fourth as wide as long; Conn. to s. Ont., O. and Mo., s. to N.C., Ala., and La. Var. eamesii Wiegand, lvs softly pubescent over the surface beneath, often obovate, ca half as wide as long; Conn. to N.J. and N.C.
Life form perennial
Growth form herb
Growth support -
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.6 - 0.9
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 4-6
Soil humidity 1-5
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 4-9

Usage

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

Cultivation

Mode -
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Triosteum angustifolium unspecified picture

Distribution

Triosteum angustifolium world distribution map, present in Canada and United States of America

Identifiers

LSID urn:lsid:ipni.org:names:149494-1
WFO ID wfo-0001290676
COL ID 58WNN
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Triosteum angustifolium f. rubrum Triosteum minus Triosteum pumilum Triosteum angustifolium Triosteum angustifolium var. angustifolium