Sedum laxum var. heckneri

(M. Peck) H. Ohba

J. Bot. Res. Inst. Texas 1: 889. 2007,.

Basionym: Sedum heckneri M. Peck Proc. Biol. Soc. Wash. 50: 121. 1937
Synonyms: Sedum laxum subsp. heckneri (M. Peck) R. T. Clausen
Treatment appears in FNA Volume 8. Treatment on page 219. Mentioned on page 218.
Revision as of 12:03, 30 July 2020 by imported>Volume Importer
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Leaf-blades glaucous, spatulate or obovate, 11–32 × 6–30 mm, apex obtuse. Flowering shoots 10–20 cm; leaf-blades glaucous, nearly suborbiculate, base cordate, clasping stem. Flowers: sepals 2–4 mm, apex acute or subacute; petals pink, white, or yellowish white, 8–10 mm; anthers yellow. 2n = 30.


Phenology: Flowering late spring-mid summer.
Habitat: Rock ledges
Elevation: 100-2400 m

Distribution

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Calif., Oreg.

Discussion

Variety heckneri is known from the Klamath Mountains.

Selected References

None.

Lower Taxa

None.
... more about "Sedum laxum var. heckneri"
perigynous +  and hypogynous +
subacute +, acute +  and obtuse +
Hideaki Ohba +
- M. Peck H. Ohba +
cordate +
not scarious +
Sedum heckneri +
0.45 cm4.5 mm <br />0.0045 m <br /> - 0.6 cm6 mm <br />0.006 m <br /> +
not pruinose +
1 cm10 mm <br />0.01 m <br /> - 5 cm50 mm <br />0.05 m <br /> +
lobed +  and toothed +
not +  and glaucous +
flattened +, subterete +, obovate +, spatulate +  and oblanceolate +
0.1 cm1 mm <br />0.001 m <br /> - 8 cm80 mm <br />0.08 m <br /> +
succulent +
0.6 cm6 mm <br />0.006 m <br /> - 3.3 cm33 mm <br />0.033 m <br /> +
smaller +
not recurved +
2-forked +
not circumscissile +
whorled +, opposite +  and alternate +
not circumscissile +
3+-branched +  and 12-80-flowered +
Calif. +  and Oreg. +
100-2400 m +
pink +, greenish white +  and white +
connate +  and distinct +
spreading;erect +
Rock ledges +
axillary +  and terminal +
1.1 cm11 mm <br />0.011 m <br /> - 3.2 cm32 mm <br />0.032 m <br /> +
suborbiculate;obovate;spatulate +
persistent +  and deciduous +
connate +
erect +  and spreading +
pink +, yellow +  and white +
oblong +  and reniform +
spatulate;reniform;spatulate;reniform;oblong;square;oblong +
semi-inferior +  and superior +
tenuinucellate +, crassinucellate +  and bitegmic +
0.06 cm0.6 mm <br />6.0e-4 m <br /> - 0.63 cm6.3 mm <br />0.0063 m <br /> +
perigynous +  and hypogynous +
yellowish white +, white +  and pink +
not carinate +, elliptic-oblong +, oblanceolate-oblong +  and lanceolate-oblong +
0.8 cm8 mm <br />0.008 m <br /> - 1 cm10 mm <br />0.01 m <br /> +
Flowering late spring-mid summer. +
- 3-4-5 - -12[-30+]-carpellate +
distinct +  and connate +
J. Bot. Res. Inst. Texas +
reticulate-papillose +  and reticulate +
ovoid;ellipsoid +
0.2 cm2 mm <br />0.002 m <br /> - 0.26 cm2.6 mm <br />0.0026 m <br /> +
lanceolate +  and ovate +
unequal +
0.2 cm2 mm <br />0.002 m <br /> - 0.4 cm4 mm <br />0.004 m <br /> +
2 cm20 mm <br />0.02 m <br /> - ? +
1 +  and many +
branched +  and simple +
30 cm300 mm <br />0.3 m <br /> - 40 cm400 mm <br />0.4 m <br /> +
decumbent +  and erect +
adnate +  and free +
antipetalous +
2 times as many as sepals +
much-branched +
creeping +  and procumbent +
ascending +  and erect +
succulent +
distinct +
Sedum laxum subsp. heckneri +
Sedum laxum var. heckneri +
Sedum laxum +
variety +
not conspicuous +
perennial +, biennial +  and annual +
herb +, not +  and cespitose +
3 +  and 5 +