Lycopus asper
 
Western Water-Horehound

Style

Good Spirit Lake Provincial Park
08-August-2013

bullet

Asper: Answers to key questions in Budd's Flora and Flora of Alberta leading to this species. 
bullet

plant tuber-bearing; NOT [plant without tubers]

bullet

lower and middle leaves sessile; NOT [lower and middle leaves with petioles or narrow bases]

bullet

lower and middle leaves serrate; NOT [lower and middle leaves incised or pinnatifid]

bullet

calyx lobes longer than nutlets; NOT [calyx lobes not as long as nutlets]

bullet

calyx lobes narrow and acute; NOT [calyx lobes ovate and blunt]

bullet

nutlets with the upper outer margin truncate; NOT [nutlets with the upper outer margin well rounded]

bullet

nutlets with upper outer margin often undulate; NOT [nutlets with the upper outer margin entire]

 

bullet

Lycopus: Answers to key questions in Budd's Flora and Flora of Alberta leading to this genus. 
bullet

plants of moist habitats; NOT [plants of dry habitats]

bullet

perennial; NOT [annual]

bullet

leaves not palmately lobed, crenate to serrate; NOT [leaves palmately 3-lobed]

bullet

flowers in axillary clusters; NOT [flowers solitary or in axillary racemes], NOT [flowers terminal, in head-like clusters or spike-like racemes]

bullet

flowers sessile; NOT [flowers pedicellate]

bullet

calyx indistinctly 2-lipped or regular; NOT [calyx distinctly 2-lipped, the upper part differing from the lower part] (BF)

bullet

calyx without hooks at tips of lobes; NOT [calyx with 10 lobes, each hooked at the tip]

bullet

corolla 4- or 5- lobed, hardly, if at all, 2-lipped; NOT [corolla distinctly 2-lipped]

bullet

corolla white; NOT [corolla blue or lavender]

bullet

stamens 2 (staminodes may be present); NOT [stamens 4]

 

bullet

Labiatae: Answers to key questions in Budd's Flora  leading to this family. 
bullet

herbs; NOT [shrubs or trees]

bullet

plants green or with some chlorophyll; NOT [plants parasitic or saprophytic, without chlorophyll]

bullet

plants not aquatic

bullet

stems square

bullet

leaves opposite

bullet

leaves not bearing bladders

bullet

flowers not in heads or spikes; NOT [flowers in long or short spikes], NOT [flowers in heads or in form resembling a head]

bullet

flowers with two floral rings

bullet

petals wholly or partly united forming a tube or bell]

bullet

corolla irregular; NOT [corolla regular]

bullet

ovary superior; NOT [ovary inferior]

bullet

fruit with 4 nutlets; NOT [fruit a many-seeded capsule]