Flora of North America species comparison

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Calepina

ballmustard
Habit Plants not scapose.
Stems

erect to ascending, unbranched or branched.
Leaves

basal and cauline;

petiolate or sessile;

basal usually rosulate, petiolate, blade margins dentate to lyrate-pinnatifid;

cauline blade (base sagittate or amplexicaul), margins dentate or subentire.
Racemes

(corymbose, several-flowered), considerably elongated in fruit.
Flowers

sepals ascending to spreading;

petals oblanceolate, (apex obtuse or slightly emarginate);

stamens slightly tetradynamous;

filaments dilated basally;

anthers ovate;

nectar glands: lateral intrastaminal, median glands present (distinct).
Fruiting pedicels

divaricate or ascending, slender.
Fruits

subsessile or shortly stipitate (gynophore relatively slender, fruit readily detached at maturity), nutlike, ovoid or ellipsoid, terete;

valves reticulate and usually longitudinally 4-ribbed;

replum rounded;

septum absent;

stigma capitate.
Seeds

(pendulous) plump, not winged, ovoid;

seed coat (smooth), not mucilaginous when wetted;

cotyledons involute in distal 1/2.
x

= 7.

Calepina
Distribution
from USDA
Europe; e Asia; c Asia; sw Asia; n Africa [Introduced in North America]
[BONAP county map]
Discussion

Species 2 (1 in the flora).

Calepina cochlearioides (Murray) Dumortier is distributed in Asia (China, Kazakhstan, Mongolia, and adjacent Russia).

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 7, p. 446. Author: Ihsan A. Al-Shehbaz.
Parent taxa Brassicaceae > tribe Calepineae
Subordinate taxa
C. irregularis
Name authority Adanson: Fam. Pl. 2: 423. (1763)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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