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.
 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 +