Darmera

Voss

Gärtn. Zentralbl. 1: 645. 1899 ,.

Common names: Umbrella plant Indian rhubarb
Etymology: For Karl Darmer, 1843–1918, German botanist and horticulturist
Treatment appears in FNA Volume 8. Treatment on page 75. Mentioned on page 43, 45, 46.
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 TaxonIllustrator 
FNA8 P8 Chrysosplenium iowense.jpegChrysosplenium
Chrysosplenium iowense
Chrysosplenium tetrandrum
Darmera
Darmera peltata
Yevonn Wilson-Ramsey
Yevonn Wilson-Ramsey
Yevonn Wilson-Ramsey
Barbara Alongi
Barbara Alongi

Herbs, not rhizomatous, not stoloniferous; caudex 1–5 cm diam., scaly. Flowering-stems (appearing before leaves), erect, leafless, 30–100 (–150) cm, sparsely to densely stipitate-glandular to hispid. Leaves in basal rosette; stipules present; petiole present, attachment to blade peltate, sparsely stipitate-glandular to glandular-hispid; blade orbiculate, peltate, cupped in center, 6–15-lobed, sinuses ± deep, ultimate margins irregularly serrate, apices of lobes acute, surfaces glabrous or scantily stipitate-glandular and hispid on veins abaxially, glabrous or scantily short-stipitate-glandular adaxially; venation palmate. Inflorescences ± flat-topped, compound cymes, arising from terminal bud in rosette, 60–75-flowered, usually ebracteate. Flowers: hypanthium completely adnate to ovary, green to pinkish purple; sepals 5, greenish to pinkish purple; petals 5, white to pink; nectary tissue not seen or inconspicuous; stamens 10; filaments subulate; ovary superior, 2-locular, carpels connate proximally; placentation axile, appearing marginal; styles 2; stigmas 2. Capsules folliclelike, 2-beaked. Seeds dark-brown, prismatic or angular, cellular-rugulose. x = 17.

Distribution

w United States

Discussion

Peltiphyllum Engler in H. G. A. Engler and K. Prantl, Nat. Pflanzenfam. 53[III,2a]: 61. 1891, not Peltophyllum Gardner 1843

Species 1: w United States.

Species 1

Selected References

None.

Lower Taxa

"full" is not a number.

... more about "Darmera"
epigynous +, perigynous +  and hypogynous +
Elizabeth Fortson Wells +  and Patrick E. Elvander† +
dentate +, serrate +  and entire +
glandular-ciliate +  and ciliate +
6-15-lobed +  and orbiculate +
2-beaked +  and folliclelike +
3-carpellate +  and 2-carpellate +
1 cm10 mm <br />0.01 m <br /> (5 cm50 mm <br />0.05 m <br />) +
Umbrella plant +  and Indian rhubarb +
ebracteate +, 60-75-flowered +  and compound +
w United States +
For Karl Darmer, 1843–1918, German botanist and horticulturist +
unisexual +  and bisexual +
100 cm1,000 mm <br />1 m <br /> (150 cm1,500 mm <br />1.5 m <br />) +
30 cm300 mm <br />0.3 m <br /> (100 cm1,000 mm <br />1 m <br />) +
2-3(-4)-beaked +  and folliclelike +
multicellular +
green +  and pinkish purple +
opposite +  and alternate +
crassinucellate +, unitegmic +  and bitegmic +
epigynous +, perigynous +  and hypogynous +
white +  and pink +
distinct +
unlobed +  and lobed +
peltate +  and jointed +
unequal +
Gärtn. Zentralbl. +
spiny +  and ribbed +
dark-brown +
straight +
cellular-rugulose +
angular +  and prismatic +
greenish +  and pinkish purple +
distinct +
unbranched +  and branched +
persistent +
horizontal +  and erect +
connate +  and distinct +
short-stipitate-glandular +, glabrous +, hispid +  and stipitate-glandular +
Darmera +
Saxifragaceae +
not stoloniferous +  and not rhizomatous +
annual +, biennial +  and perennial +