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FNA | Family List | FNA Vol. 7 | Brassicaceae | Matthiola

1. Matthiola incana (Linnaeus) W. T. Aiton in W. Aiton and W. T. Aiton, Hortus Kew. 4: 119. 1812. (as Mathiola).

Cheiranthus incanus Linnaeus, Sp. Pl. 2: 662. 1753

Biennials or perennials, rarely annuals; usually densely tomentose. Stems erect, (1-) 2.5-6(-9) dm, (unbranched or branched distally), often tomentose. Basal leaves often in vegetative rosettes. Cauline leaves shortly petiolate or sessile; blade linear-oblanceolate, narrowly oblong, or lanceolate, (2.5-) 4-16(-22) cm × (5-)8-18(-25) mm (smaller distally), base attenuate to cuneate, margins usually entire or repand, rarely sinuate. Fruiting pedicels ascending, straight or slightly curved, (6-)10-20(-25) mm, thinner than fruit. Flowers: sepals linear-lanceolate to narrowly oblong, 10-15 × 2-3 mm; petals purple, violet, pink, or white, obovate to ovate, 20-30 × 7-15 mm, claw 10-17 mm (margin not crisped), apex rounded or emarginate; filaments 5-8 mm; anthers 3-4 mm. Fruits divaricate-ascending to suberect, latiseptate, (4-)6-12(-15) cm × (3-)4-6 mm; valves densely pubescent; style 1-5 mm; stigma without horns. Seeds orbicular or nearly so, 2.5-3.2 mm diam.; wing 0.2-0.5 mm. 2n = 14.

Flowering Mar-Jun. Ocean cliffs and bluffs, sandy areas near beaches, roadsides, abandoned gardens; 0-300 m; introduced; Calif., Tex.; Europe; introduced also elsewhere in the New World, Australia.

Matthiola incana is widely cultivated worldwide for its attractive, highly scented flowers.


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