Native & Naturalized Plants of the Carolinas & Georgia


2385

Forb
Biennial/Rarely perennial

Native to the Carolinas & Georgia

Documented growing wild in GA NC SC

Rare

Look for it in thin soil around outcrops of metamudstone, diabase, or granite (generally on mafic or rich granitic substrates), per Weakley's Flora

map
To see a detailed map, click here

 

LEAVES:
Simple
Basal rosette & alternate
Stem leaves auriculate-clasping

FLOWER:
Spring
Creamy white
Bisexual
Radially symmetrical
4 sepals
4 petals
6 stamens tetradynamous (2 short, 4 long)
Inflorescence a raceme of 18-47 flowers, sometimes branched (thus a panicle?)

FRUIT:
Spring/Summer
Silique

 

TO LEARN MORE about this plant, look it up in a good book!



Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Rosids: Malvids: Brassicales

WEAKLEY'S FLORA (11/30/12):
Boechera missouriensis   FAMILY Brassicaceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Arabis missouriensis   FAMILY Brassicaceae

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (1968) 088-25-004c:
Arabis laevigata var. missouriensis   FAMILY Brassicaceae

 

COMMON NAME:
Missouri Rockcress


Click or hover over the thumbnails to see larger pictures.

image of Boechera missouriensis, Missouri Rockcress

Keith Bradley    kab_b_missouriensis_3739

March    Lancaster County    SC

Forty Acre Rock Heritage Preserve

Flowers ascending at anthesis; sepals glabrous; petals white, 5-10mm, per Flora of North America.

image of Boechera missouriensis, Missouri Rockcress

Keith Bradley    kab_b_missouriensis_3757

March    Lancaster County    SC

Forty Acre Rock Heritage Preserve

Lower stem leaves lobed or dissected, basal deeply pinnately dissected, per Vascular Flora of the Carolinas.

image of Boechera missouriensis, Missouri Rockcress

Keith Bradley    kab_b_missouriensis_3769

March    Lancaster County    SC

Forty Acre Rock Heritage Preserve

image of Boechera missouriensis, Missouri Rockcress

Doug Lockard    dlk20180414_6216

April    Pickens County    SC

Glassy Mountain Heritage Preserve

image of Boechera missouriensis, Missouri Rockcress

Doug Lockard    dlk20180414_6217

April    Pickens County    SC

Glassy Mountain Heritage Preserve

image of Boechera missouriensis, Missouri Rockcress

JK Marlow    jkm200425_4248

April    Greenville County    SC

Glassy Mountain Heritage Preserve

Stems leafy, leaves strongly overlapping, usually erect or nearly appressed, per www.missouriplants.com.

image of Boechera missouriensis, Missouri Rockcress

JK Marlow    jkm200425_4248b

April    Greenville County    SC

Glassy Mountain Heritage Preserve

Stem and leaves glabrous. Stem leaves more than 4x long as wide, per Vascular Flora of the Carolinas.

image of Boechera missouriensis, Missouri Rockcress

JK Marlow    jkm200425_4253

April    Greenville County    SC

Glassy Mountain Heritage Preserve

A dense basal rosette of leaves is usually present at flowering time, per www.missouriplants.com.

image of Boechera missouriensis, Missouri Rockcress

JK Marlow    jkm200428_4371

April    Pickens County    SC

Glassy Mountain Heritage Preserve

image of Boechera missouriensis, Missouri Rockcress

JK Marlow    jkm200428_4407

April    Pickens County    SC

Glassy Mountain Heritage Preserve

image of Boechera missouriensis, Missouri Rockcress

JK Marlow    jkm200428_4410

April    Pickens County    SC

Glassy Mountain Heritage Preserve

image of Boechera missouriensis, Missouri Rockcress

JK Marlow    jkm200428_4413

April    Pickens County    SC

Glassy Mountain Heritage Preserve

image of Boechera missouriensis, Missouri Rockcress

JK Marlow    jkm200508_4701

May    Pickens County    SC

Glassy Mountain Heritage Preserve

image of Boechera missouriensis, Missouri Rockcress

JK Marlow    jkm200508_4711

May    Pickens County    SC

Glassy Mountain Heritage Preserve

image of Boechera missouriensis, Missouri Rockcress

JK Marlow    jkm200508_4713

May    Pickens County    SC

Glassy Mountain Heritage Preserve

Fruits at first erect, becoming widely divergent and commonly arcuate, per Manual of Vascular Plants of NE US & Adjacent Canada (Gleason & Cronquist,1991).