OF THE CAROLINAS & GEORGIA

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

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/14/23):
Borodinia missouriensis   FAMILY Brassicaceae   Go to FSUS key



SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Arabis missouriensis   FAMILY Brassicaceae

SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2021)

Borodinia missouriensis

SYNONYMOUS WITH Flora of North America north of Mexico, vol. 7 (2010)

Boechera missouriensis

SYNONYMOUS WITH Transfer of most North American species of Arabis to Boechera (Al-Shehbaz, 2003)

Boechera missouriensis

SYNONYMOUS WITH Floristic Synthesis of North America (Kartesz, 1999)

Arabis missouriensis

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 088-25-004c:

Arabis laevigata var. missouriensis   FAMILY Brassicaceae

INCLUDING Britton & Brown Illus Flora of Northeast US & adjacent Canada (Gleason, 1952)

Arabis viridis var. viridis

 

COMMON NAME:
Missouri Rockcress


         To see larger pictures, click or hover over the thumbnails.

image of Borodinia missouriensis, Missouri Rockcress

JK Marlow    jkm230328_2195

March    Pickens County    SC

Glassy Mountain Heritage Preserve

image of Borodinia missouriensis, Missouri Rockcress

JK Marlow    jkm230328_2197

March    Pickens County    SC

Glassy Mountain Heritage Preserve

image of Borodinia missouriensis, Missouri Rockcress

JK Marlow    jkm230328_2203

March    Pickens County    SC

Glassy Mountain Heritage Preserve

image of Borodinia 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 Borodinia 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 (Radford, Ahles, & Bell, 1968).

image of Borodinia missouriensis, Missouri Rockcress

Keith Bradley    kab_b_missouriensis_3769

March    Lancaster County    SC

Forty Acre Rock Heritage Preserve

image of Borodinia missouriensis, Missouri Rockcress

Doug Lockard    dlk20180414_6217

April    Pickens County    SC

Glassy Mountain Heritage Preserve

image of Borodinia missouriensis, Missouri Rockcress

JK Marlow    jkm200425_4248

April    Pickens County    SC

Glassy Mountain Heritage Preserve

image of Borodinia missouriensis, Missouri Rockcress

JK Marlow    jkm200425_4248b

April    Pickens County    SC

Glassy Mountain Heritage Preserve

Stem and leaves glabrous. Stem leaves more than 4x long as wide, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).

image of Borodinia missouriensis, Missouri Rockcress

JK Marlow    jkm200425_4253

April    Pickens County    SC

Glassy Mountain Heritage Preserve

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

image of Borodinia missouriensis, Missouri Rockcress

JK Marlow    jkm200428_4371

April    Pickens County    SC

Glassy Mountain Heritage Preserve

Stems very leafy, leaves strongly overlapping and usually borne erect or nearly appressed, per www.missouriplants.com (Tenaglia).

image of Borodinia missouriensis, Missouri Rockcress

JK Marlow    jkm200428_4407

April    Pickens County    SC

Glassy Mountain Heritage Preserve

image of Borodinia missouriensis, Missouri Rockcress

JK Marlow    jkm200428_4410

April    Pickens County    SC

Glassy Mountain Heritage Preserve

image of Borodinia missouriensis, Missouri Rockcress

JK Marlow    jkm200428_4413

April    Pickens County    SC

Glassy Mountain Heritage Preserve

image of Borodinia missouriensis, Missouri Rockcress

JK Marlow    jkm200508_4701

May    Pickens County    SC

Glassy Mountain Heritage Preserve

image of Borodinia missouriensis, Missouri Rockcress

JK Marlow    jkm200508_4711

May    Pickens County    SC

Glassy Mountain Heritage Preserve

image of Borodinia 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).

image of Borodinia missouriensis, Missouri Rockcress

JK Marlow    jkm230606_3793

June    Pickens County    SC

Glassy Mountain Heritage Preserve

image of Borodinia missouriensis, Missouri Rockcress

JK Marlow    jkm230606_3797

June    Pickens County    SC

Glassy Mountain Heritage Preserve

image of Borodinia missouriensis, Missouri Rockcress

JK Marlow    jkm230706_4271

July    Pickens County    SC

Glassy Mountain Heritage Preserve

Fruits ascending to divaricate-ascending, curved, edges parallel, 6-11cm × 1.5-2mm, per Flora of North America.

image of Borodinia missouriensis, Missouri Rockcress

JK Marlow    jkm231109_6778

November    Pickens County    SC

Glassy Mountain Heritage Preserve

image of Borodinia missouriensis, Missouri Rockcress

JK Marlow    jkm231114_6867

November    Pickens County    SC

Glassy Mountain Heritage Preserve

Seeds in 1 row, oblong, 1.7-2mm long (vs. A. canadensis seeds in 2 rows, orbicular, 2-2.3mm long), per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).

 

 

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/14/23):
Borodinia missouriensis   FAMILY Brassicaceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Arabis missouriensis   FAMILY Brassicaceae

SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Borodinia missouriensis

SYNONYMOUS WITH Flora of North America north of Mexico, vol. 7
Boechera missouriensis

SYNONYMOUS WITH Transfer of most North American species of Arabis to Boechera (Al-Shehbaz, 2003)
Boechera missouriensis

SYNONYMOUS WITH Floristic Synthesis of North America (Kartesz, 1999)
Arabis missouriensis

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

INCLUDING Britton & Brown Illus Flora of Northeast US & adjacent Canada (Gleason, 1952)
Arabis viridis var. viridis

 

Find by SCIENTIFIC NAME:

2385

Forb
Biennial/Rarely perennial

Habitat: Thin soil around outcrops of metamudstone, diabase, or granite (generally on ultramafic, mafic, or 'rich granitic' substrates), per Weakley's Flora

Native to the Carolinas & Georgia

Rare, with an odd and fragmented distribution

map
CLICK HERE to see a map, notes, and images from Weakley's Flora of the Southeastern US.

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

FLOWER:
Spring
Creamy white
Radially symmetrical
4 sepals
4 petals
6 stamens tetradynamous (2 short, 4 long)
Bisexual

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!



 


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