Armoracia

P. Gaertner

Oekon. Fl. Wetterau 2: 426. 1800.

Common names: Horseradish
Etymology: Ancient Greek name for horseradish, or perhaps Celtic ar, near, mor, sea, and rich, against, alluding to habitat
Treatment appears in FNA Volume 7. Treatment on page 459. Mentioned on page 226, 232, 238.
 TaxonIllustrator 
FNA7 P57 Transberingia bursifolia.jpegTransberingia bursifolia
Transberingia bursifolia subsp. bursifolia
Turritis glabra
Armoracia rusticana
Yevonn Wilson-Ramsey
Yevonn Wilson-Ramsey
Yevonn Wilson-Ramsey
Barbara Alongi

Perennials; (aquatic or of mesic habitats, with rootstocks); not scapose; glabrous. Stems erect, branched distally. Leaves basal and cauline; petiolate and sessile; basal rosulate, long-petiolate, blade margins crenate or pinnatifid [entire]; cauline petiolate or sessile distally, blade margins crenate, serrate, pinnatifid, pinnatisect [laciniate]. Racemes ([often corymbose-paniculate], several-flowered), considerably elongated in fruit. Fruiting pedicels ascending, divaricate, or slightly reflexed, slender. Flowers: sepals spreading or ascending, ovate or oblong, lateral pair not saccate basally, (glabrous); petals white, obovate, or oblanceolate [spatulate, oblong], claw somewhat differentiated from blade (relatively short, apex obtuse); stamens slightly tetradynamous; filaments slightly dilated basally; anthers ovate [oblong or linear], (apex obtuse); nectar glands confluent, subtending bases of stamens, median glands present. Fruits: silicles, sessile, oblong, ovate, elliptic, or orbicular, angustiseptate; valves each not veined; replum rounded; septum perforated or reduced to a rim; ovules 8–12 [–20] per ovary; style obsolete or distinct; stigma capitate, (sometimes 2-lobed). Seeds biseriate, plump, not winged, ovate [oblong]; seed-coat (punctate) not mucilaginous when wetted; cotyledons accumbent.

Distribution

Introduced; c, s Europe, Asia (Russian Far East), Asia (Siberia)

Discussion

Species 3 (1 in the flora).

"elongated" is not a number."thick" is not a number.

... more about "Armoracia"
Ihsan A. Al-Shehbaz +
P. Gaertner +
not +  and auriculate +
appendaged +  and unappendaged +
pinnatisect +  and serrate +
pinnatifid +  and crenate +
much smaller +  and reduced +
urceolate +, campanulate +  and tubular +
branched +  and simple +
sessile +  and petiolate +
well-developed +
distinct +
differentiated +
Horseradish +
emarginate +  and entire +
c +, s Europe +, Asia (Russian Far East) +  and Asia (Siberia) +
straight +  and curved +
Ancient Greek name for horseradish, or perhaps Celtic ar, near, mor, sea, and rich, against, alluding to habitat +
not winged +  and unappendaged +
connate +  and distinct +
actinomorphic +
angustiseptate +, orbicular +, elliptic +, ovate +  and oblong +
sessile +  and petiolate +
alternate +, not +  and rosulate +
cauline +  and basal +
connate +  and distinct +
decurrent +
dentate to pinnately lobed +  and entire +
pinnatifid +
tenuinucellate +, crassinucellate +  and bitegmic +
campylotropous +  and anatropous +
rudimentary +
oblanceolate +  and obovate +
trinucleate +  and 3(-11)-colpate +
Oekon. Fl. Wetterau +
reflexed +  and ascending +
slender +
fosberg1965a +  and lawrence1971a +
mucilaginous +
not +  and mucilaginous +
white +, black +, brown +  and yellow +
persistent +  and caducous +
distinct +
ascending +  and spreading +
oblong +  and ovate +
reduced +
latiseptate +  and unsegmented +
angustiseptate +, 4-angled +  and terete +
latiseptate +  and unsegmented +
angustiseptate +, 4-angled +  and terete +
tetradynamous +
procumbent +  and decumbent +
2-lobed +, entire +, conical +  and capitate +
subsessile +, sessile +  and petiolate +
persistent +
distinct +
Cruciferae +
Armoracia +
Brassicaceae tribe Cardamineae +
scale-like +  and forked +
pubescent +  and glabrous +
anastomosing +
rhizomatous +, taprooted +, scapose +  and not +
perennial +, biennial +  and annual +
subshrub +  and herb +
aquatics +  and terrestrial +
glabrous +  and pubescent +