Flora of North America species comparison

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Darmera

darmera, Indian rhubarb, umbrella plant
Habit 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.

Darmera
Distribution
from USDA
w United States
[BONAP county map]
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

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 8, p. 75. Authors: Elizabeth Fortson Wells, Patrick E. Elvander†.
Parent taxa Saxifragaceae
Subordinate taxa
D. peltata
Name authority Voss: Gärtn. Zentralbl. 1: 645. 1899 ,
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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