Lewisia maguirei

A. H. Holmgren

Leafl. W. Bot. 7: 136. 1954.

EndemicConservation concern
Treatment appears in FNA Volume 4. Treatment on page 482. Mentioned on page 477.

Taproots gradually ramified distally. Stems spreading to suberect, 1.5–2 cm. Leaves: basal leaves withering at or soon after anthesis, sessile, blade narrowly oblanceolate, somewhat flattened, 1–2 cm, margins entire, apex obtuse; cauline leaves absent. Inflorescences racemose cymes, 2–3-flowered, sometimes with flowers borne singly; bracts 5, proximalmost 3 in whorl, distalmost 2 opposite, subtending 2d (and 3d) flowers, oblong to oblong-obovate, 3–5 mm, apex obtuse. Flowers pedicellate, disarticulate in fruit; sepals 3–4, white to pinkish, 8–12 mm, scarious at anthesis, margins entire, apex obtuse; petals 7–9, white to pinkish, oblanceloate, 8–12 mm; stamens 7–9; stigmas 4–6; pedicel 3–9 mm. Capsules 7–10 mm. Seeds 5–10, 1.5–2.5 mm, smooth.


Phenology: Flowering summer.
Habitat: Open, south-facing slopes on gravelly clay limestone-derived substrates
Elevation: 2200 m

Discussion

Of conservation concern.

Lewisia maguirei is known only from the Quinn Canyon Range, Nye County.

Selected References

None.

Lower Taxa

None.
... more about "Lewisia maguirei"
Mark A. Hershkovitz +  and Sean B. Hogan +
A. H. Holmgren +
ephemeral +  and evergreen +
1 cm10 mm <br />0.01 m <br /> (2 cm20 mm <br />0.02 m <br />) +
occasionally dentate;crisped +
oblanceolate +
persistent +
subequal +
circumscissile +
0.7 cm7 mm <br />0.007 m <br /> (?) +  and 1 cm10 mm <br />0.01 m <br /> (?) +
enlarged +
gradually +  and sessile +
whorled +, opposite +  and alternate +
subumbellate +
2200 m +
disarticulate in fruit +  and persistent +
Open, south-facing slopes on gravelly clay limestone-derived substrates +
paniculate +  and racemose +
terminal +  and axillary +
exstipulate +  and secund +
subrosulate +, rosulate +, alternate +, subopposite +  and opposite +
cauline +  and basal +
glandular-toothed +, toothed +, entire +  and crisped +
plurilocular +
0.3 cm3 mm <br />0.003 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
connate +  and distinct +
0.8 cm8 mm <br />0.008 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
Flowering summer. +
subtending +  and distalmost +
oblong;oblong-obovate +
0.3 cm3 mm <br />0.003 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
Leafl. W. Bot. +
estrophiolate +
Black (?) +  and Brown (?) +
5 +  and 10 +
sculptured +  and smooth +
sculpted +
1.5mm +  and 2.5mm +
white +  and pinkish +
persistent +
subequal +
0.8 cm8 mm <br />0.008 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
Endemic +  and Conservation concern +
distinct +  and scarcely connate and/or adnate +
7 (?) +  and 9 (?) +
branched +, simple +  and scapelike +
deciduous +
spreading +  and suberect +
1.5 cm15 mm <br />0.015 m <br /> (2 cm20 mm <br />0.02 m <br />) +
4 +  and 6 +
Erocallis +  and Oreobroma +
Lewisia maguirei +
species +
fleshy +  and succulent +
15 +, 14 +, 13 +, 12 +, 11 +  and 10 +