Sedum moranii Clausen (1942: 40)

Zika, Peter F., Wilson, Barbara L., Brainerd, Richard E., Otting, Nick, Darington, Steven, Knaus, Brian J. & Nelson, Julie Kierstead, 2018, A review of Sedum section Gormania (Crassulaceae) in western North America, Phytotaxa 368 (1), pp. 448-450 : 448-450

8. Sedum moranii Clausen (1942: 40) . Figs. 10E , 34

Cotyledon glandulifera Henderson (1930: 26) . Sedum glanduliferum (L.F.Hend.) Peck (1941: 134) . Gormania glandulifera (L.F.Hend.) Abrams (1944: 343) .

Type: — UNITED STATES. Oregon: Josephine Co., along the trail, 3 miles below Almeda, Rogue River , 1 June 1928, L. Leach 1599 (holotype, ORE; isotypes, ORE [2 sheets]) .

Not: Sedum glanduliferum Gussone (1827: 519) .

Additional specimens examined: — UNITED STATES. OREGON. Josephine County: Rogue River near Grave Creek , 275 m, 1 July 1976, Denton 4007 ( OSC, WTU) ; same site, 21 April 1977, Denton 4054 ( WTU) ; same site, 15 May 1977, Fosback & Fosback s.n. ( OSC) ; same site, 16 June 1933, Leach 4334 ( ORE) ; same site, 23 May 1961, Hutchison 2067 ( BH, SD) ; same site, 23 May 1961, Hutchison 2068 ( BH, SD) ; same site, 23 May 1961, Uhl 948 ( SD) ; same site, 28 May 1963, Clausen 63141 ( BH) ; same site, 18 July 2011, Zika 25631 ( CAS, WTU) ; same site, 200 m, 1 July 2013, Wilson & Otting CWG-241 ( UC) .

Distribution and ecology: —A narrow endemic and rare along the lower Rogue River at elevations of 200–300 m, in Josephine County, Oregon, on serpentine cliffs and outcrops ( Fig. 22 ), in the Siskiyous ecoregion ( Meyers et al. 2015). Extant populations were recorded from 2 km of the river corridor, making this the smallest known range of any member of the section. This was the only member of Sedum section Gormania endemic to Oregon.

Notes: — Sedum moranii ( Fig. 34 ) rosette leaves were thin-edged and often erose-margined at 10× magnification. Stem leaves were oblong. The inflorescence was strongly glandular and clearly cymose, with 3 main branches. The petals were elongate, yellow, narrow distally, with acuminate erect tips. Glandular S. moranii was unique in section Gormania and easily identified. With its restricted range, atypical morphology, and diploid chromosome level, it may be relictual.

Figures

FIGURE 10. The petal tips erect and acuminate, essentially parallel to the floral axis.A–D. Sedum laxum subsp. laxum. A–B. Curry Co., Oregon (Wilson & Otting CWG-240). C–D. Josephine Co., Oregon (Zika 25655). E. Sedum moranii, Josephine Co. (Zika 25631).

FIGURE 22. Distribution of Sedum albomarginatum, S. citrinum, S. marmorense, S. moranii, S. oblanceolatum, and S. patens, based on verified herbarium specimens.

FIGURE 34. Sedum moranii, Josephine Co., Oregon. A. Habit (Wilson & Otting CWG-241). B–C. Dense sterile rosettes, blue-green leaves, slightly glaucous, with irregularly eroded margins. D–F. Dichotomous inflorescence, branches and sepals with prominent glands, petals yellow, erect, narrow and acuminate, anthers yellow, faded white. B–F. Zika 25631.