Arabis Sp. - Rockcress

Family: Mustard - Brassicaceae [E-flora]

Arabis spp Sturm15
1. Arabis alpina
2. Arabis hirsuta [1] 		Boechera holboellii 4
Arabis holboellii [2] 		Lyrate Rock Cress Arabidopsis lyrata Europe Bay Woods Wisconsin
Arabis lyrata [3]

"< 70 species: temperate North America, Eurasia, northern Africa. (Latin: of Arabia) Most species of Arabis in TJM (1993) moved to Boechera; Arabis glabra to Turritis. California record of Arabis aculeolata Greene not confirmed." [Jepson]

Arabis holboellii and lyrata now in Boechera [E-flora]

Local Species;

  1. Arabis eschscholtziana - Eschscholtz's rockcress [E-flora]
  2. Arabis holboellii - Holboell's rockcress [E-flora]
  3. Arabis lyrata - lyre-leaved rockcress [E-flora]
  4. Arabis nuttallii - Nuttall's rockcress [E-flora]

References

Images

Arabis eschscholtziana - Eschscholtz's rockcress

"General: Biennial or short-lived perennial herb usually from an unbranched stem-base; stems 1-few, 20-80 cm tall, stiff-hairy basally, glabrous above." [IFBC-E-flora]

"Notes: Often included in A. hirsuta, as the coastal form of that species." [IFBC-E-flora]

Habitat/Range: "Moist to mesic meadows, streambanks, rocky slopes and disturbed areas in the lowland to alpine zones; frequent in BC in and W of the Coast-Cascade Mountains; N to AK and YT and S to W ID and OR." [IFBC-E-flora]

Status: Native [E-flora]

Synonyms

References

Arabis holboellii - Holboell's rockcress

"General: Biennial or short-lived perennial herb from a simple or branched stem-base; stems 1-several, simple or branched, 0.1-1.0 m tall, hairy basally, usually glabrous above." [IFBC-E-flora]

Habitat / Range: "Mesic to dry rocky slopes, gravelly areas, shrublands and grasslands in the steppe to alpine zones; var. pinetorum rare in S BC, var. secunda infrequent in C and S BC east of the Coast-Cascade Mountains, var. retrofracta common throughout BC east of the Coast-Cascade Mountains (probably introduced on the coast), var. consanguinea infrequent throughout BC east of the Coast-Cascade Mountains; N to AK, YT and NT, E to PQ and ON and S to ND, SD, WY, UT, NV and CA; Greenland." [IFBC-E-flora]

Status: Native [E-flora]

Synonyms

References

  1. E-flora - https://linnet.geog.ubc.ca/Atlas/Atlas.aspx?sciname=Boechera%20retrofracta, Accessed August 13, 2020

Arabis lyrata - lyre-leaved rockcress

Subspecies Present in B.C.

"Arabis lyrata is a BIENNIAL/PERENNIAL growing to 0.3 m (1ft).
It is hardy to zone (UK) 5 and is not frost tender. The species is hermaphrodite (has both male and female organs) and is pollinated by Bees, Lepidoptera (Moths & Butterflies).
Suitable for: light (sandy), medium (loamy) and heavy (clay) soils and prefers well-drained soil. Suitable pH: acid, neutral and basic (alkaline) soils. It can grow in semi-shade (light woodland) or no shade. It prefers dry or moist soil." [PFAF]

"General: Biennial or short-lived perennial from a simple or branched stem-base; stems 1-several, simple or branched, 10-30 cm tall, glabrous throughout or sparsely stiff-hairy near base." [IFBC-E-flora]

Habitat / Range: "Gravel slopes and waste places in the lowland zone; rare in C and SW BC; probably introduced from E North America." [IFBC-E-flora]

Status: Native [E-flora]

Synonyms

Edible Uses

References

  1. E-flora - https://linnet.geog.ubc.ca/Atlas/Atlas.aspx?sciname=Arabidopsis%20lyrata, Accessed August 13, 2020
  2. PFAF https://pfaf.org/user/Plant.aspx?LatinName=Arabis+lyrata, Accessed August 14, 2020
  3. Wiki2 - Arabis lyrata, http://en.wikipedia.org/wiki/Arabidopsis_lyrata, Accessed Jan 16, 2014

Arabis nuttallii - Nuttall's rockcress

"General: Perennial herb from a simple stem-base; stems simple, one to several, 10-30 cm tall, with long, simple or 2-branched hairs at the bases, becoming glabrous above." [IFBC-E-flora]

Habitat / Range: "Moist to mesic meadows, talus slopes, rock outcrops, open forests and roadsides in the montane to alpine zones; infrequent in SE BC; N to YT, E to SW AB and S to WY, UT and NV." [IFBC-E-flora]

Status: Native [E-flora]

Synonyms:

References