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Peritoma multicaulis (Slender bee-plant)
Leander, Bruce

Peritoma multicaulis

Peritoma multicaulis (de Candolle) H. H. Iltis

Slender Bee-plant, Slender Spiderflower

Capparaceae (Caper Family)

Synonym(s): Cleome multicaulis

USDA Symbol: PEMU13

USDA Native Status: L48 (N)

"Annuals, 20-60 cm. Stems unbranched or sparsely branched; glabrous. Leaves: petiole 0.5-1.5 cm; leaflets 3, blade linear to elliptic, 1-2 × 0.1 cm, margins entire, apex long-acuminate, surfaces glabrous. Racemes 1-3 cm (6-40 cm in fruit); bracts unifoliate, obovate to spatulate, 2-15 mm. Pedicels 7-15 mm. Flowers: sepals persistent, distinct or slightly connate basally, yellow, lanceolate, 1.6-2.6 × 0.8-1.2 mm, margins denticulate, glabrous; petals white, pink, or rose, oblong to ovate, 4-5 × 1-1.3 mm; stamens yellow, 4-5 mm; anthers 1.9-2.6 mm; gynophore 10-20 mm in fruit; ovary 3-6 mm; style 0.5-0.8 mm. Capsules (reflexed) not inflated, 15-25 × 1.5 mm, striate, (glabrous). Seeds 10-20, gray to black, triangular (sharply angled), 6-15 × 2-2.5 mm, (acute at both ends) rugose." (Webref: 3).

"Of conservation concern." (Webref: 3). Formerly classified as Cleome multicaulis.

 

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Plant Characteristics

Duration: Annual
Habit: Herb
Leaf Arrangement: Alternate
Leaf Complexity: Palmate , Trifoliate
Leaf Shape: Elliptic , Linear , Obovate , Ovate
Leaf Pubescence: Glabrous
Leaf Margin: Entire
Leaf Apex: Acuminate
Size Notes: To about 2 feet in height.
Leaf: "Leaves: petiole 0.5-1.5 cm; leaflets 3, blade linear to elliptic, 1-2 × 0.1 cm, margins entire, apex long-acuminate, surfaces glabrous." (Webref: 3)
Flower: "Racemes 1-3 cm (6-40 cm in fruit); bracts unifoliate, obovate to spatulate, 2-15 mm. Pedicels 7-15 mm. Flowers: sepals persistent, distinct or slightly connate basally, yellow, lanceolate, 1.6-2.6 × 0.8-1.2 mm, margins denticulate, glabrous; petals white, pink, or rose, oblong to ovate, 4-5 × 1-1.3 mm; stamens yellow, 4-5 mm; anthers 1.9-2.6 mm; gynophore 10-20 mm in fruit; ovary 3-6 mm; style 0.5-0.8 mm." (Webref: 3)
Fruit: "Capsules (reflexed) not inflated, 15-25 × 1.5 mm, striate, (glabrous). Seeds 10-20, gray to black, triangular (sharply angled), 6-15 × 2-2.5 mm, (acute at both ends) rugose." (Webref: 3)

Bloom Information

Bloom Color: White , Pink
Bloom Time: Jun , Jul , Aug , Sep
Bloom Notes: "white, pink, or rose." (Webref: 3).

Distribution

USA: AZ , CO , NM , TX , WY
Native Distribution: Arizona, Colorado, New Mexico, Texas, Wyoming; Mexico (Coahuila, Distrito Federal, Jalisco, México, Sonora)." (Webref: 3).
Native Habitat: "Dry to moist open ground, often in saline or volcanic soils; of conservation concern; 700-2000(-2300) m" (Webref: 3). "Wet, saline or alkaline soils; often in and around alkali sinks, alkaline meadows, or old lake beds." (Webref: 50).

Growing Conditions

Water Use: Low , Medium , High
Soil Moisture: Dry , Moist , Wet
Heat Tolerant: yes
Soil Description: "Dry to moist open ground, often in saline or volcanic soils." (Webref: 3). "Wet, saline or alkaline soils; often in and around alkali sinks, alkaline meadows, or old lake beds." (Webref: 50).

Benefit

Conspicuous Flowers: yes
Deer Resistant: High

Web Reference

Webref 3 - Flora of North America (2014) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
Webref 50 - New Mexico Rare Plants (2020) New Mexico Rare Plant Technical Council

Additional resources

USDA: Find Peritoma multicaulis in USDA Plants
FNA: Find Peritoma multicaulis in the Flora of North America (if available)
Google: Search Google for Peritoma multicaulis

Metadata

Record Modified: 2022-08-01
Research By: JAM

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