|Jepson Flora Project: Jepson Interchange|
|TREATMENT FROM THE JEPSON MANUAL (1993)||
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Jepson Interchange (more information)
©Copyright 1993 by the Regents of the University of California
AND IS MAINTAINED FOR ARCHIVAL PURPOSES ONLY
Plants on soil, rocks, or other plants, cespitose, mat-like (± flat), or cushion-like (rounded)
Stems pendent to erect, short to widely spreading, rooting at base or in branch fork; branches intricately intertwined or not
Leaves many, simple, overlapping, appressed, small, ± scale-like, 1-veined, smooth to grooved on back, sessile to decurrent, generally 4-ranked; fertile leaves at same node of prostrate stems equal or not, if unequal, leaves below stem generally appressed, leaves above stem ascending to spreading
Cones generally terminal; leaves like those on sterile stems or not, generally strongly overlapping, triangular in X -section
Sporangia 1 per leaf axil, spheric to reniform; lower generally with (13)4 large, 3-ridged, yellow to orange spores; upper generally with many, small, generally pale-colored spores.
The only genus
Species in genus: ± 700 species: worldwide, generally tropical and warm temp
Etymology: (Latin: small Selago , ancient name for some Lycopodium )
. Some cultivated as groundcover and curiosity (S. kraussiana, S. lepidophylla , resurrection plant). Hand lens required to observe leaf shape, margin, bristle at tip, cones
Horticultural information: TRY; DFCLT.
Plant cushion-like, ± open to dense
Stems prostrate to decumbent; main stems 212 cm; lateral branches ascending to erect, 13(5) cm
Leaves decurrent; upper and lower equal, 1.53.5 mm, linear-lanceolate to oblong, bristle-tipped or acute, bristle << 0.5 mm, rigid, margin entire to sparsely ciliate, hairs ± spreading
Cone 1030 mm; leaves lanceolate to ovate; large spores yellow
Ecology: Open rocky sites, coniferous forest, alpine
Elevation: 23004100 m.
Bioregional distribution: Klamath Ranges (Trinity Alps), High Sierra Nevada, Transverse Ranges, Peninsular Ranges, n East of Sierra Nevada, White and Inyo Mountains
Distribution outside California: to Oregon, Montana, Utah