Sidalcea calycosa subsp. rhizomata

(Jepson) Munz ex S. R. Hill

Madroño 56: 106. 2009.

Common names: Point Reyes checkerbloom
Conservation concernEndemic
Basionym: Sidalcea rhizomata Jepson Man. Fl. Pl. Calif., 629. 1925
Treatment appears in FNA Volume 6. Treatment on page 327. Mentioned on page 320, 321.

Phenology: Flowering May–Jul(–Sep).
Habitat: Freshwater and salt marshes near coast
Elevation: 0–30 m

Discussion

Of conservation concern.

Subspecies rhizomata is known from only a few marshes near the coast in Marin, Mendocino, and Sonoma counties; it is easily distinguished by its relatively large, connate, ciliate bracts and prostrate fleshy rhizomes with scattered leaves and relatively large stipules.

Selected References

None.

Lower Taxa

None.

No values specified."elongated" is not a number.

white +  and pale-purple +
Steven R. Hill +
(Jepson) Munz ex S. R. Hill +
2 cm20 mm <br />0.02 m <br /> (10 cm100 mm <br />0.1 m <br />) +
5 cm50 mm <br />0.05 m <br /> (10 cm100 mm <br />0.1 m <br />) +
1 cm10 mm <br />0.01 m <br /> (2 cm20 mm <br />0.02 m <br />) +
lobed +, unlobed +  and orbiculate +
white +  and pale +
1 cm10 mm <br />0.01 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
Sidalcea rhizomata +
asymmetric +  and symmetric +
dissected +, lobed +  and unlobed +
0.6 cm6 mm <br />0.006 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
purplish +  and green +
0.2 cm2 mm <br />0.002 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
2-fid +, ovate +  and wide-elliptic +
0.2 cm2 mm <br />0.002 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
branched +  and unbranched +
overlapping +
purple tinted +
stellate-puberulent +, strigose-bristly +  and silky +
0.4 cm4 mm <br />0.004 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
indehiscent +  and loculicidal +
1 cm10 mm <br />0.01 m <br /> (2 cm20 mm <br />0.02 m <br />) +
5-9(-11)-lobed +  and rounded +
2 cm20 mm <br />0.02 m <br /> (4 cm40 mm <br />0.04 m <br />) +
Point Reyes checkerbloom +
many-flowered +  and leafless +
2 cm20 mm <br />0.02 m <br /> (10 cm100 mm <br />0.1 m <br />) +
0–30 m +
sparse;copious +
unisexual +  and bisexual +
Freshwater and salt marshes near coast +
both +  and simple +
axillary +  and terminal +
tough-fibrous +
connate +  and distinct +
simple +, stipulate +, sessile +, subsessile +  and petiolate +
distichous +  and alternate +
linear-elliptic +  and oblanceolate-obtuse +
purple tinted +
wedge--shaped +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.45 cm4.5 mm <br />0.0045 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (?) +
3-40-carpellate +
(1-)2-many +
0.2 cm2 mm <br />0.002 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
0.4 cm4 mm <br />0.004 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
white;pink;pale-purple +
adnate +  and distinct +
Flowering May–Jul(–Sep). +
5mm +  and 9mm +
hairy +  and glabrous +
reniform +
0.2 cm2 mm <br />0.002 m <br /> (?) +  and 0.35 cm3.5 mm <br />0.0035 m <br /> (?) +
persistent +
grooved +  and reticulate-veined +
Conservation concern +  and Endemic +
sessile +  and subsessile +
0.4 cm4 mm <br />0.004 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
ascending reclining;decumbent +
5 +  and 9 +
filiform +, linear +  and capitate +
1-2 times number of carpels +
unbranched +  and branched +
Hesperalcea +
Sidalcea calycosa subsp. rhizomata +
Sidalcea calycosa +
subspecies +
funnel-like +
50 cm500 mm <br />0.5 m <br /> (90 cm900 mm <br />0.9 m <br />) +
perennial +  and annual +
plant +  and herb +