Lilium humboldtii subsp. humboldtii

Compton, James & Skinner, Mark W., 2021, The history and typification of Lilium humboldtii J. H. Krelage (Liliaceae), PhytoKeys 182, pp. 39-55 : 39

Lilium humboldtii subsp. humboldtii

≡ Lilium canadense var. humboldtii (J.H.Krelage) Baker, Gard. Chron. 1871: 1165 (1871)

= Lilium canadense var. puberulum Torr., Pacific Railr. Rep. 4 pt.5 no.4: 146 (1856) Lectotype designated here: USA, California, " K.T.Hartweg 2004" (GH, lecto!) [GH-00106407]; syntypes: USA, California "border of meadows, Antelope Creek, one of the tributaries of the Upper Sacramento, 23 May 1846 Col. Frémont 490" (NY, syn!) [NY-0008523]; USA, California "near Butte Creek in the Sacramento Valley, 16 June 1848, Hartweg 2004 " (K, syn.! × 2).

≡ Lilium puberulum (Torr.) Duchartre, J. Soc. Centr. Hort. France ser. 2, Vol. 4: 217 (1870).

Diagnostic description.

Bulb: off-white, occasionally flecked with purple; scales unsegmented; stem roots absent. Racemes: 1-33(-40) flowered. Flowers: with sepals and petals orange, speckled with magenta, spots distributed distally or more proximally; pollen rust, rust-brown, rust-orange, occasionally to warm tan, becoming yellowish. Seeds: 114-225 per capsule.

Distribution.

U.S.A., California (Amador, Butte, Calaveras, El Dorado, Fresno, Mariposa, Nevada, Placer, Tehama, Tuolumne, Yuba). Lilium humboldtii subsp. humboldtii is distributed from Tehama County south to Calaveras County; reports from further south are erroneous.

Ecology.

Flowering summer (mid-June to early August), frequently in forest openings of Ponderosa pine forest ( Pinus ponderosa Douglas ex C.Lawson) and chaparral openings; (200-1100 m).

Illustration.

“Gartenflora” 21: t. 724 (1872) see Fig. 3 . https://www.biodiversitylibrary.org/item/125746#page/215/mode/1up

Figures

Figure 3. The neotype of Lilium humboldtii from Louis Van Houtte's nursery garden, published in " Gartenflora " 21: t. 724 (Regel 1872).