Trillium kurabayashii J.D.Freeman

Giant purple wakerobin (en)

Species

Angiosperms > Liliales > Melanthiaceae > Trillium

Characteristics

Rhizomes horizontal, brownish, thick, praemorse, not brittle. Scapes often 2 from single terminal bud, round in cross section, 2.5–5.5 dm, stout, glabrous. Bracts held well above ground, sessile; blade bright green (in early anthesis rather succulent in appearance), usually well-marked with lighter and darker green spots, occasionally obscurely or scarcely mottled, mottling becoming obscure with age, ovate to broadly ovate, 11–18 × 12–17 cm, somewhat glossy, apex acuminate. Flower odor spicy in fresh flowers, becoming fetid in older flowers; sepals displayed above bracts, spreading, divergent, green, purple-streaked, lanceolate, 40–75 × 10–14 mm, margins entire, apex acute to round-acute; petals long-lasting, conspicuous, spreading-erect to erect, tips incurving slightly, ± connivent, partially to completely concealing stamens and ovary, glossy dark maroon-red or purple, not spirally twisted, flat, oblanceolate, 5.5–11 × 2–3.5 cm, widest at or below middle, glossy, thick-textured, cuneate basally, margins ± flat, entire, apex round-acute; stamens erect, straight, 15–26 mm, slightly concealing ovary; filaments dark purple, 2–4 mm; anthers dark maroon, 13–24 mm, dehiscence introrse; connectives straight, barely extended beyond anther sacs; ovary inconspicuous, purple, ovoid, round to 6-angled, 8–15 mm; stigmas erect, distinct, subulate, 6–8 mm, fleshy, thickened basally. Fruits dark reddish purple, ovoid to ellipsoid or weakly angled, 20–50 mm, fleshy.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) 0.1 - 0.5
Mature height (meter) 0.5 - 1.0
Root system rhizome
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months -
Fruit color
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light 1-6
Soil humidity -
Soil texture -
Soil acidity 2-6
Soil nutriment -
Hardiness (USDA) 10-10

Usage

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

Cultivation

Can be grown by divisions or seedlings.
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

Trillium kurabayashii unspecified picture

Distribution

Trillium kurabayashii world distribution map, present in United States of America

Conservation status

Trillium kurabayashii threat status: Vulnerable

Identifiers

LSID urn:lsid:ipni.org:names:258334-2
WFO ID wfo-0000751093
COL ID 7CTSL
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Trillium kurabayashii f. luteum Trillium kurabayashii