Trillium grandiflorum (Michx.) Salisb.

Large-flowered trillium (en), Trille blanc (fr)

Species

Angiosperms > Liliales > Melanthiaceae > Trillium

Characteristics

Stem 2–4 dm at anthesis; lvs ovate or rhombic or subrotund, at an thesis 8–12 cm, short-acuminate, narrowed from below the middle to an acute base (rarely short-petioled); peduncle erect or declined, 5–8 cm, the fl held above the lvs; sep lanceolate, ascending-spreading, 3–5 cm; pet normally white, turning pink in age, ascending from the base, spreading above, obovate or elliptic, evidently longer than the sep, 4–8 cm, acute; filaments more than half as long as the introrse anthers and scarcely (if at all) wider, the whole stamen 15–25 mm; stigmas slender, erect, slightly shorter than the white, 6-winged and-sulcate ovary; 2n=10. Rich moist woods; Que. and Me. to Minn., s. to Pa., O., and Ind., and in the mts. to n. Ga. and ne. Ala. Apr., May.
More
A perennial plant. It grows 30-45 cm high and wide. The leaves are dark green and form a mound. They are in rings of three. The flowers are white, pink, purple or yellow with distinct veins. The sepals are green. The flowers are almost triangular in outline with 3 petals. The petals have wavy edges and are curved backwards. The flowers are 5-8 cm wide.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination entomogamy
Spread -
Mature width (meter) 0.1 - 0.5
Mature height (meter) 0.35 - 0.48
Root system rhizome
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Nitrogen fixer -
Photosynthetic pathway c3

Environment

It is a temperate plant. It is frost hardy. It grows in rich, moist woodlands. It can grow in shade. It needs moist, rich, well drained soil. It suits hardiness zones 5-9.
More
Rich woods and thickets, usually on limestone. Rich deciduous or mixed coniferous-deciduous upland woods, floodplains, roadsides at elevations of 20-700 metres.
Light 2-7
Soil humidity 3-7
Soil texture 1-6
Soil acidity 2-6
Soil nutriment -
Hardiness (USDA) 5-9

Usage

The young unfolding leaves can be added fresh to salads. They can be boiled and served with vinegar. (The leaves become bitter once the buds and flowers appear.)
Uses environmental use medicinal
Edible leaves
Therapeutic use Ear Medicine (bark), Antirheumatic (External) (root), Ear Medicine (root), Abortifacient (root), Analgesic (root), Disinfectant (root), Diuretic (root), Eye Medicine (root), Gynecological Aid (root), Tumor (unspecified)
Human toxicity -
Animal toxicity -

Cultivation

It is grown from sections of the rhizome. These are spaced 15-30 cm apart and 10 cm deep. Plants can be propagated by division or from seed.
Mode divisions seedlings
Germination duration (days) 545
Germination temperacture (C°) 15 - 21
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Habit

Trillium grandiflorum habit picture by Michael Jacobsen (cc-by-sa)
Trillium grandiflorum habit picture by Carole England (cc-by-sa)
Trillium grandiflorum habit picture by K. Svabek (cc-by-sa)

Leaf

Trillium grandiflorum leaf picture by Kevin Fernandes (cc-by-sa)
Trillium grandiflorum leaf picture by Kevin Fernandes (cc-by-sa)
Trillium grandiflorum leaf picture by Remy Feschotte (cc-by-sa)

Flower

Trillium grandiflorum flower picture by Ben Heerspink (cc-by-sa)
Trillium grandiflorum flower picture by jen morrison (cc-by-sa)
Trillium grandiflorum flower picture by Debbye (cc-by-sa)

Distribution

Trillium grandiflorum world distribution map, present in Åland Islands, Canada, Micronesia (Federated States of), Georgia, Malaysia, Nicaragua, and United States of America

Conservation status

Trillium grandiflorum threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:542553-1
WFO ID wfo-0000751101
COL ID 58TXY
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Trillium chandleri Trillium obcordatum Trillium lirioides Trillium scouleri Trillium erythrocarpum Trillium grandiflorum f. dimerum Trillium grandiflorum f. divisum Trillium grandiflorum f. elongatum Trillium grandiflorum f. petalosum Trillium grandiflorum f. regressum Trillium grandiflorum f. striatum Trillium grandiflorum f. chandleri Trillium grandiflorum f. lirioides Trillium grandiflorum f. polymerum Trillium grandiflorum f. roseum Trillium grandiflorum f. viride Trillium lirioides var. longepetiolatum Trillium rhomboideum var. grandiflorum Trillium grandiflorum var. minimum Trillium grandiflorum f. grandiflorum Trillium liroides f. vegetum Trillium lirioides f. variegatum Trillium lirioides f. ungulatum Trillium lirioides f. albomarginatum Trillium lirioides f. giganteum Trillium lirioides f. subsessile Trillium chandleri f. plenum Trillium chandleri f. subulatum Trillium chandleri f. palaceum Trillium chandleri f. gladewitzii Trillium chandleri f. foliaceum Trillium grandiflorum var. lirioides Trillium grandiflorum