Flora of North America species comparison

The green links below add additional plants to the comparison table. Blue links lead to other Web sites.
enable glossary links

Cardamine constancei

Constance's bittercress
Habit Perennials; glabrous or sparsely hirsute.
Rhizomes

cylindrical, slender, to 2 mm diam.
Stems

erect, unbranched, 1.5–5 dm, glabrous or sparsely hirsute basally.
Rhizomal leaves

absent.
Cauline leaves

4–7, simple, (crowded distally), petiolate;

petiole (0.5–)1–4(–5) cm, base not auriculate;

blade usually broadly ovate or ovate-lanceolate to ovate-elliptic, rarely obovate, 5–13 cm × 20–65 mm, base cuneate, margins coarsely serrate (with apiculae), or repand to undulate (margins minutely pubescent, apex acute).
Racemes

ebracteate.
Flowers

sepals oblong, 6–8 × 2–2.5 mm, lateral pair slightly saccate basally;

petals pink, oblanceolate, 15–28 × 5–8 mm, (claw to 10 mm, apex rounded);

filaments: median pairs 8–10 mm, lateral pair 4–6 mm;

anthers linear, 2–3 mm.
Fruiting pedicels

divaricate-ascending to suberect, 10–22 mm.
Fruits

linear, 2.5–3.5(–5) cm × 1.9–2.1 mm;

ovules 12–16 per ovary;

style 2–3.5 mm.
Seeds

brown, oblong, 2–2.5 × 1.2–1.5 mm.

Cardamine constancei
Phenology Flowering May–Jun.
Habitat Moist cliffs, wooded creek bottoms, shaded draws, hillsides, moist woods, mixed coniferous forests, granitic soils
Elevation 400-600 m (1300-2000 ft)
Distribution
from FNA
ID
[WildflowerSearch map]
[BONAP county map]
Discussion

Cardamine constancei is known from Clearwater, Idaho, Kootenai, Nez Perce, and Shoshone counties.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 7, p. 471.
Parent taxa Brassicaceae > tribe Cardamineae > Cardamine
Sibling taxa
C. angulata, C. angustata, C. bellidifolia, C. blaisdellii, C. breweri, C. bulbosa, C. californica, C. clematitis, C. concatenata, C. cordifolia, C. digitata, C. diphylla, C. dissecta, C. douglassii, C. flagellifera, C. flexuosa, C. hirsuta, C. holmgrenii, C. impatiens, C. longii, C. macrocarpa, C. maxima, C. micranthera, C. microphylla, C. nuttallii, C. nymanii, C. occidentalis, C. oligosperma, C. pachystigma, C. parviflora, C. pattersonii, C. penduliflora, C. pensylvanica, C. pratensis, C. purpurea, C. rotundifolia, C. rupicola, C. umbellata
Name authority Detling: Madroño 3: 176, plate 9. (1935)
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).



Type/paste one or more Latin names into the boxes above; matching taxa will show up below the box as you type. You can use the up/down arrow keys to move through the list.

(If the plant you're looking for doesn't show up in the auto-complete list, that means it either isn't described in Flora of North America yet, or it's listed under a synonym. And please note that Flora of North America is still missing several plant families, including Apiaceae, Boraginaceae, and Polemoniaceae.)

Choose a data source: Flora of North America

The species comparison tool is brought to you by:
Northwest Wildflowers