Cardamine dissecta

(Leavenworth) Al-Shehbaz

J. Arnold Arbor. 69: 82. 1988.

Basionym: Dentaria dissecta Leavenworth Amer. J. Sci. Arts 7: 62. 1824
Synonyms: Cardamine angustata var. multifida (Muhlenberg ex Elliott) H. E. Ahles Cardamine laciniata subsp. multifida (Muhlenberg ex Elliott) O. E. Schulz Dentaria furcata Small Dentaria heterophylla var. multifida (Muhlenberg ex Elliott) H. E. Ahles Dentaria laciniata var. multifida (Muhlenberg ex Elliott) S. Watson & J. M. Coulter Dentaria multifida Muhlenberg ex Elliott
Treatment appears in FNA Volume 7. Treatment on page 473. Mentioned on page 224, 466.

Perennials; glabrous throughout. Rhizomes (tuberiform, fragile), moniliform, segments oblong, 3–5 mm diam., (fleshy). Stems erect, unbranched, 1–3.5 dm. Rhizomal leaves palmately compound (biternate), 7–20 cm, leaflets petiolulate; petiole 4–13 cm; lateral leaflets similar to terminal, blade sometimes smaller; terminal leaflet (petiolule 1–3(–4) cm), blade ternately or pinnately lobed, (distal segment) linear, 0.7–3.5 cm × 0.6–3 mm, base attenuate to cuneate, margins entire (apiculate). Cauline leaves (2 or) 3, palmately compound (biternate, similar to rhizomal leaves, alternate to subopposite), petiolate, leaflets petiolulate; petiole (0.5–)1–4(–5.5) cm, base not auriculate; lateral leaflets similar to terminal; terminal leaflet (petiolule (0.3–)0.7–1.5(–2.5) cm), blade (ternate, distal segment) linear, (0.4–)1.5–5(–6.5) cm × 0.7–4(–6) mm, base cuneate to attenuate, margins entire. Racemes ebracteate. Fruiting pedicels ascending to divaricate, 10–25(–35) mm. Flowers: sepals oblong, 4–6 × 1.5–2 mm, lateral pair not saccate basally; petals white to pale pink, oblanceolate, 9–15 × 2–4 mm, (not clawed, apex rounded); filaments: median pairs 6–7.5 mm, lateral pair 3–5 mm; anthers linear, 1.5–2.5 mm. Fruits linear-lanceolate, 2–3.5 cm × 1.5–2 mm; ovules 10–14 per ovary; style 4–7(–10) mm. Seeds brown, oblong, 1.5–2.5 × 1–1.5 mm. 2n = 64, 112.

Phenology: Flowering Mar–May.
Habitat: Oak-hickory woods, moist loamy areas, floodplain woods, bluffs, rocky calcareous woods, limestone slopes, along streams
Elevation: 0-300 m


V7 723-distribution-map.gif

Ala., Ga., Ind., Ky., N.C., Ohio, Tenn.


Selected References


Lower Taxa

... more about "Cardamine dissecta"
Ihsan A. Al-Shehbaz +, Karol Marhold +  and Judita Lihová +
(Leavenworth) Al-Shehbaz +
Dentaria dissecta +
Ala. +, Ga. +, Ind. +, Ky. +, N.C. +, Ohio +  and Tenn. +
0-300 m +
Oak-hickory woods, moist loamy areas, floodplain woods, bluffs, rocky calcareous woods, limestone slopes, along streams +
Flowering Mar–May. +
J. Arnold Arbor. +
Illustrated +  and Endemic +
Cardamine angustata var. multifida +, Cardamine laciniata subsp. multifida +, Dentaria furcata +, Dentaria heterophylla var. multifida +, Dentaria laciniata var. multifida +  and Dentaria multifida +
Cardamine dissecta +
Cardamine +
species +