Lilium humboldtii Bull.

Humboldt lily (en)

Species

Angiosperms > Liliales > Liliaceae > Lilium

Characteristics

Bulbs often somewhat purplish, variable, subrhizomatous to ± ovoid, 3.3–11.7 × 2.4–14.4 cm, 0.4–2.6(–3) times taller than long; scales unsegmented or notched, longest 3.5–11.2 cm; stem roots present or absent. Stems to 3.1 m. Buds rounded in cross section. Leaves in 2–8 whorls or partial whorls, 3–16(–28) leaves per whorl, usually ascending, 4.6–14.5 × 0.8–3.6 cm, 2.9–7.2 times longer than wide; blade usually ± oblanceolate, though often weakly so, rarely elliptic or lanceolate, margins usually undulate, apex acute; veins and margins ± smooth abaxially. Inflorescences racemose, 1–33(–40)-flowered. Flowers pendent, not fragrant; perianth Turk’s-cap-shaped; sepals and petals reflexed 1/5 along length from base, orange or yellow, with prominent red or magenta spots, not distinctly clawed; sepals not ridged abaxially, 5.2–9.8 × 1.4–2.4 cm; petals 5.6–9.6 × 1.5–2.9 cm; stamens strongly exserted; filaments parallel along most of length, then very widely spreading, diverging 17°–31° from axis; anthers purple, 1.1–1.9 cm; pollen rust, tan, or peach, becoming yellow or tan-yellow; pistil 4.6–7.1 cm; ovary 1.2–2.6 cm; style green, often pale; pedicel 7.8–21.2 cm. Capsules longitudinally keeled, 2.5–5.4 × 1.8–3.3 cm, 1.1–2.3 times longer than wide. Seeds not counted.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) 1.0
Mature height (meter) 2.15 - 2.6
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway c3

Environment

Light 6-8
Soil humidity 3-6
Soil texture 3-4
Soil acidity -
Soil nutriment -
Hardiness (USDA) -

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

Leaf

Lilium humboldtii leaf picture by Monika Kopp (cc-by-sa)
Lilium humboldtii leaf picture by Brie Kapina (cc-by-sa)

Flower

Lilium humboldtii flower picture by Kayla Smith (cc-by-sa)

Distribution

Lilium humboldtii world distribution map, present in United States of America

Identifiers

LSID urn:lsid:ipni.org:names:537600-1
WFO ID wfo-0000677725
COL ID 6PYFW
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Lilium humboldtii var. humboldtii Lilium humboldtii

Lower taxons

Lilium humboldtii subsp. ocellatum Lilium humboldtii subsp. humboldtii