Sedum nanifolium

Fröderström

Acta Horti Gothob. 10(app.): 96, figs. 736–746, plate 61. 1936,.

Synonyms: Sedum parvum subsp. nanifolium (Fröderström) R. T. Clausen
Treatment appears in FNA Volume 8. Treatment on page 211. Mentioned on page 202, 212.

Herbs, perennial, mat-forming, glabrous. Stems procumbent, becoming erect, (reddish-shiny proximally), long-branched, not bearing rosettes. Leaves alternate, (densely set), erect to slightly spreading, sessile; blade green with prominent red dots, not glaucous, sometimes waxy, orbiculate to broadly obovate, semiterete, 2.5–3.5 (–5) × 2–2.5 mm, base not spurred, not scarious, apex rounded to acute. Flowering shoots erect, simple or branched, 2–4 cm; leaf-blades orbiculate to broadly ovate, base not spurred; offsets not formed. Inflorescences subscorpioid cymes, 10–20-flowered, simple to 2-branched; branches erect to spreading or recurved, sometimes forked; bracts oblong, ca. 3 mm, base broadly spurred. Pedicels absent. Flowers 5-merous; sepals suberect, distinct basally, greenish, sometimes with reddish striations, subovate, unequal, 2–2.5 × 0.1–1.6 mm, apex obtuse, (papillose); petals erect to spreading, distinct, yellow with prominent, short, longitudinal red stripes, lanceolate, carinate, 4.5–5 mm, apex subobtuse, narrowly mucronate; filaments whitish or pale-yellow; anthers yellow; nectar scales inconspicuous. Carpels spreading in fruit, distinct, tan or brown with reddish striations. 2n = 52, 53, 104.


Phenology: Flowering late spring–early winter.
Habitat: Limestone gravel or outcrops in various vegetation
Elevation: 1300-2000 m

Distribution

V8 428-distribution-map.gif

Tex., Mexico (Chihuahua), Mexico (Coahuila), Mexico (Nuevo León)

Discussion

Sedum nanifolium is found in the Del Norte Mountains of Brewster County. The long-branched (to 20 cm), reddish-shiny stems are distinctive; see discussion under 19. S. robertsianum.

Selected References

None.

Lower Taxa

None.
... more about "Sedum nanifolium"
104 +, 53 +  and 52 +
perigynous +  and hypogynous +
0.35 cm3.5 mm <br />0.0035 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
not glaucous +
Mucronate (?) +, Subobtuse (?) +, Obtuse (?) +, Rounded (?) +  and Acute (?) +
not scarious +  and ceraceous +
2mm;2.5mm +
Hideaki Ohba +
Fröderström +
spurred +  and not spurred +
0.35 cm3.5 mm <br />0.0035 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
not glaucous +
rounded +  and acute +
not scarious +  and ceraceous +
2mm +  and 2.5mm +
lobed +  and toothed +
linear +  and orbiculate or spatulate terete semiterete or subterete +
0.1 cm1 mm <br />0.001 m <br /> (8 cm80 mm <br />0.08 m <br />) +
erect +  and spreading or recurved +
not circumscissile +
brown +  and tan +
whorled +, opposite +  and alternate +
not circumscissile +
subscorpioid +
Tex. +, Mexico (Chihuahua) +, Mexico (Coahuila) +  and Mexico (Nuevo León) +
1300-2000 m +
pale-yellow +  and whitish +
connate +  and distinct +
spreading;erect +
Limestone gravel or outcrops in various vegetation +
simple +  and 2-branched +
axillary +  and terminal +
persistent +  and deciduous +
connate +
semi-inferior +  and superior +
tenuinucellate +, crassinucellate +  and bitegmic +
perigynous +  and hypogynous +
distinct +
erect +  and spreading +
0.45 cm4.5 mm <br />0.0045 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
Flowering late spring–early winter. +
(3-)4-5(-12)[-30+]-carpellate +
distinct +  and connate +
Acta Horti Gothob. +
reticulate-papillose +  and reticulate +
ovoid;ellipsoid +
distinct +
subovate +
unequal +
0.01 cm0.1 mm <br />1.0e-4 m <br /> (0.16 cm1.6 mm <br />0.0016 m <br />) +
1 +  and many +
branched +  and simple +
2 cm20 mm <br />0.02 m <br /> (4 cm40 mm <br />0.04 m <br />) +
adnate +  and free +
antipetalous +
2 times as many as sepals +
long-branched +
succulent +
distinct +
Sedum parvum subsp. nanifolium +
Sedum nanifolium +
species +
not conspicuous +
perennial +, biennial +  and annual +
herb +  and mat-forming +
3 +  and 5 +