Jepson Flora Project: Jepson Interchange    

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Jepson Interchange (more information)
©Copyright 1993 by the Regents of the University of California

  • Up-to-date information about California vascular plants is available from the Jepson eFlora.



Dieter H. Wilken

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 (1–3)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.


S. hansenii Hieron.

Plant mat-like, dense to ± open
Stems prostrate to spreading; main stems 5–28 cm; lateral branches ascending to erect, 1–2(3) cm
Leaves sessile; leaves of main stems ± unequal (lower > upper), 1–4 mm, narrowly lanceolate to ± deltate, bristle-tipped, bristle 0.5–1.5 mm, soft, white, together forming conspicuous tufts at stem tip, marginal hairs ascending
Cone 4–8 mm; leaves ovate to deltate; large spores yellow
Ecology: Rocky, open to shaded sites, oak woodland, coniferous forest
Elevation: 250–1500 m.
Bioregional distribution: s Inner North Coast Ranges, Cascade Range, Sierra Nevada, Sacramento Valley (Sutter Buttes), San Joaquin Valley, n South Coast Ranges.

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