1.
Iberis amara
Linnaeus, Sp. Pl. 2: 649. 1753.
Rocket candytuft
Annuals;
glabrous or pubescent distal to base.
Stems
erect, branched distally, 1-4 dm.
Basal leaves
absent.
Cauline leaves
petiolate or (distal) sessile; blade spatulate or oblanceolate to oblong, 2-6 cm × 5-15 mm, margins pinnatifid or dentate, or (distalmost) entire or dentate.
Racemes
considerably elongated in fruit.
Fruiting pedicels
spreading to slightly descending, 3-10 mm.
Flowers
: sepals oblong, 1.5-3 mm; petals white or pink to purple, abaxial pair 5-8 × 2-5 mm, adaxial pair 2-5 × 1.5-3 mm.
Fruits
suborbicular to broadly ovate, 4-6(-7) × 3-6 mm, apically notched; valves extending into acute to obtuse wing; style 0.8-2 mm, exserted or included in apical notch.
Seeds
narrowly winged, 2-3 mm.
2
n
= 14.
Flowering Jun-Aug. Escape from cultivation, waste places, old fields, lawns; introduced; N.S., Ont.; Mich.; w Europe; introduced also in South America.
