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Genera - K
Kalopanax
Kerria
Kickxia
Knautia
Kochia
Koeleria
Kolkwitzia
Krigia
Kummerowia
Kyllinga (see Cyperus)
KALMIA (Family: Ericaceae)
Kalmia angustifolia Linnaeus var. angustifolia - Sheep Laurel. 2n = 24.
Wet or dry, acidic, open soil, Sphagnum bogs, rock ledges.
Kalmia latifolia Linnaeus - Mountain Laurel. 2n = 24.
Acidic, rocky or sandy, deciduous woods, thickets.
Kalmia polifolia Wangenheim - Bog Laurel. 2n = 48.
Sphagnum bogs, exposed, rocky areas at high elevations.
Kalmia procumbens (Linnaeus) Gift, Kron & P.F. Stevens ex Galasso, Banfi, & F. Conti - Alpine Azalea. 2n = 24.
Alpine areas. [Loiseleuria procumbens (Linnaeus) Desvaux]
KALOPANAX (Family: Araliaceae)
KALOPANAX SEPTEMLOBUS (Thunberg) Koidzumi - Castor Aralia. 2n = 48.
Moist or rich woodlands, woodland margins. From eastern Asia. [K. PICTUS (Thunberg) Nakai]
KERRIA (Family: Rosaceae)
KERRIA JAPONICA (Linnaeus) de Candolle - Japanese Rose. 2n = 18.
Roadsides. From eastern Asia.
KICKXIA (Family: Plantaginaceae)
KICKXIA ELATINE (Linnaeus) Dumortier - . 2n = 36.
Waste places, in dry, open clay. From Eurasia, northern Africa.
KNAUTIA (Family: Caprifoliaceae)
KNAUTIA ARVENSIS (Linnaeus) Coulter subsp. ARVENSIS - Bluebuttons. 2n = 20, 40.
Fields, roadsides, waste places. From Eurasia.
KNAUTIA ARVENSIS (Linnaeus) Coulter subsp. ROSEA (Baumgarten) Soó - . 2n = ?
Waste places. From Europe. [K. DUMETORUM Heuff]
KOCHIA (Family: Amaranthaceae)
KOCHIA SCOPARIA (Linnaeus) Schrader subsp. SCOPARIA - Summer-cypress. 2n = 18.
Roadsides, waste places. From Eurasia. [K. SCOPARIA var. CULTA (Voss) Farwell; BASSIA SCOPARIA (Linnaeus) A.J. Scott]
KOCHIA SCOPARIA (Linnaeus) Schrader subsp. DENSIFLORA (Turczaninow ex Moquin-Tandon) Aellen - . 2n = 18.
Freight yards, wool waste. From Asia. [K. SCOPARIA var. PUBESCENS Fenzl; K. SCOPARIA var. SUBVILLOSA Moquin-Tandon; K. SIEVERSIANA (Pallas) C. S. Meyer - misapplied in part]
KOELERIA (Family: Poaceae)
KOELERIA MACRANTHA (Ledebour) Schultes - Junegrass. 2n = 14, 28.
Dry soil, sands, open woods, roadsides. From farther west. [K. CRISTATA (Linnaeus) Bertoloni - illegitimate name; K. PYRAMIDATA - misapplied]
KOLKWITZIA (Family: Caprifoliaceae)
KOLKWITZIA AMABILIS Graebner - Beautybush. 2n = 32.
Riverbanks, thickets, roadsides, sandplain scrub, floodplain woods. From China.
KRIGIA (Family: Asteraceae)
Krigia biflora (Walter) S.F. Blake - 2n = 10, 20.
Fields, meadows, woods.
Krigia virginica (Linnaeus) Willdenow - 2n = 10, 20.
Dry fields, rock outcrops, sandy woods and roadsides.
KUMMEROWIA (Family: Fabaceae)
KUMMEROWIA STRIATA (Thunberg) Schindler - Japanese Clover. 2n = 22.
Sandy roadsides, gravel pits. From eastern Asia. [Lespedeza striata (Thunberg) Hooker & Arnott]
Designed by Ray Angelo. Revised Aug. 16, 2019