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Vascular Plants of California
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Erythronium tuolumnense
TUOLUMNE FAWN LILY


Higher Taxonomy
Family: LiliaceaeView DescriptionDichotomous Key
Common Name: LILY FAMILY
Habit: Perennial herb from membranous bulb or scaly rhizome. Stem: underground or erect, branched or not. Leaf: basal or cauline, alternate, subopposite, or whorled. Inflorescence: raceme, panicle, +- umbel-like or not. Flower: perianth parts 6 in 2 generally petal-like whorls, often showy; stamens 3 or 6, filaments free or +- fused to perianth, anthers attached at base or near middle; ovary superior or +- so, style 1, entire or 3-lobed. Fruit: capsule or berry. Seed: 3--many, flat or angled, brown to black.
Genera In Family: 16 genera, 635 species: northern temperate. Note: Users strongly encouraged to protect plants by working around need to see underground parts in using keys, e.g., by trying both leads in couplets solely dependent on such characters. Muscari botryoides (L.) Mill. an historical waif in California. Other TJM (1993) taxa moved to Agavaceae (Agave, Camassia, Chlorogalum, Hastingsia, Hesperocallis, Hesperoyucca, Leucocrinum, Yucca), Alliaceae (Allium, Ipheion, Nothoscordum), Amaryllidaceae (Amaryllis, Narcissus, Pancratium), Asparagaceae (Asparagus), Asphodelaceae (Aloe, Asphodelus, Kniphofia), Melanthiaceae (Pseudotrillium, Stenanthium, Toxicoscordion, Trillium, Veratrum, Xerophyllum), Nartheciaceae (Narthecium), Ruscaceae (Maianthemum, Nolina), Smilacaceae (Smilax), Tecophilaeaceae (Odontostomum), Themidaceae (Androstephium, Bloomeria, Brodiaea, Dichelostemma, Muilla, Triteleia), and Tofieldiaceae (Triantha). North American species of Disporum now in Prosartes.
eFlora Treatment Author: Dale W. McNeal, except as noted
Scientific Editor: Dale W. McNeal, Thomas J. Rosatti.
Genus: ErythroniumView DescriptionDichotomous Key


Common Name: FAWN LILY
Habit: Bulb elongate of 1--2 fleshy scales, generally with small, bead-like parts of persistent rhizome. Leaf: 2 (1 in non-flowering pl), basal, 6--35 cm, lanceolate to ovate (solitary basal leaf wider), narrowed to petiole, often mottled, glabrous; margin entire to wavy. Inflorescence: peduncled raceme; flowers 1--10; bracts 0. Flower: showy, generally nodding; perianth parts 6, similar, free, +- lanceolate, +- recurved; stamens 6; style 1, straight or bent downward, stigma entire to 3-lobed. Fruit: capsule, ovoid to oblong. Seed: +- ovoid, +- angular, brown. Chromosomes: n=12.
Species In Genus: +- 29 species: especially temperate North America. Etymology: (Greek: red, from flowers of some) Note: Leaf, flower markings to be noted when fresh, because of fading in pressed specimens.
eFlora Treatment Author: Geraldine A. Allen & Margriet Wetherwax
Unabridged Reference: Applegate 1935 Madroño 3:58--113; Shevock et al. 1990 Madroño 37:261--273; York et al. 2015 Madroño 62:158--166
Erythronium tuolumnense Applegate
NATIVE
Habit: Bulb 50--100 mm, ovoid, readily making sessile bulblets. Leaf: 15--35 cm, elliptic to ovate, entire to +- wavy-margined, green. Inflorescence: peduncle 15--35 cm, green to +- red; flowers 1--5. Flower: perianth parts 20--35 mm, +- narrowly ovate, yellow, inner with small sac-like folds at base; stamens 12--16 mm, filaments 0.4--0.6 mm wide at base, +- white, anthers yellow; style 8--10 mm, +- white, stigma entire or lobes < 1 mm.
Ecology: Open woodland, shady canyons; Elevation: 600--1000 m. Bioregional Distribution: c SNF (Tuolumne Co.). Flowering Time: Mar--Jun
Jepson eFlora Author: Geraldine A. Allen & Margriet Wetherwax
Unabridged Reference: Applegate 1935 Madroño 3:58--113; Shevock et al. 1990 Madroño 37:261--273; York et al. 2015 Madroño 62:158--166
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Botanical illustration including Erythronium tuolumnense

botanical illustration including Erythronium tuolumnense

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Citation for this treatment: Geraldine A. Allen & Margriet Wetherwax 2018, Erythronium tuolumnense, in Jepson Flora Project (eds.) Jepson eFlora, Revision 6, http://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=25193, accessed on December 15, 2018.

Citation for the whole project: Jepson Flora Project (eds.) 2018, Jepson eFlora, http://ucjeps.berkeley.edu/eflora/, accessed on December 15, 2018.

Erythronium tuolumnense
click for enlargement
© 2010 Barry Breckling
Erythronium tuolumnense
click for enlargement
© 2011 Barry Breckling
Erythronium tuolumnense
click for enlargement
© 2011 Barry Breckling
Erythronium tuolumnense
click for enlargement
© 2011 Barry Breckling
Erythronium tuolumnense
click for enlargement
© 2010 Barry Breckling
Erythronium tuolumnense
click for enlargement
© 2011 Barry Breckling

More photos of Erythronium tuolumnense in CalPhotos


Geographic subdivisions for Erythronium tuolumnense:
c SNF (Tuolumne Co.).
Markers link to CCH specimen records. Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues. Purple markers indicate specimens collected from a garden, greenhouse, or other non-wild location.
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map of distribution 1
(Note: any qualifiers in the taxon distribution description, such as 'northern', 'southern', 'adjacent' etc., are not reflected in the map above, and in some cases indication of a taxon in a subdivision is based on a single collection or author-verified occurence).

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Data provided by the participants of the Consortium of California Herbaria.
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CCH collections by month

Duplicates counted once; synonyms included.
Species do not include records of infraspecific taxa, if there are more than 1 infraspecific taxon in CA.
Blue line denotes eFlora flowering time.