Kingdom:
Phylum:
Angiosperms
Order:
Lamiales
Genus:
Species:
laxiflorus
ID:
1137258

Status:
valid

Authors:
Pennell

Source:
tro

Year:
1935

Citation Micro:
Monogr. Acad. Nat. Sci. Philadelphia 1: 229 (1935)

WFO Identifier:
wfo-0001136596

Common Names

  • Looseflower Penstemon
  • Looseflower Beardtongue
  • Penstemon laxiflorus

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Uses & Benefits

Penstemon laxiflorus is used as an ornamental plant in gardens and as a source of nectar for bees and butterflies.

Flower, Seeds and Seedlings

Penstemon laxiflorus has white to lavender flowers with a yellowish center. Its seeds are small and black, and the seedlings have a single pair of oval-shaped leaves.

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Cultivation and Propagation

Penstemon laxiflorus can be propagated by seed or division. It prefers a well-drained soil and full sun to partial shade. It is drought tolerant and can tolerate temperatures down to -30°F (-34°C). It is also deer resistant.

Where to Find Penstemon laxiflorus

Penstemon laxiflorus can be found in the mountains of western North America, from Alaska and British Columbia south to California and New Mexico.

Species in the Penstemon genus

Penstemon brevisepalus, Penstemon franklinii, Penstemon schaffneri, Penstemon saltarius, Penstemon moronensis, Penstemon inflatus, Penstemon pseudoparvus, Penstemon oklahomensis, Penstemon nitidus, Penstemon campanulatus, Penstemon tubiflorus, Penstemon vizcainensis, Penstemon vulcanellus, Penstemon gormanii, Penstemon gracilis, Penstemon gentianoides, Penstemon xylus, Penstemon superbus, Penstemon griffinii, Penstemon metcalfei, Penstemon wendtiorum, Penstemon dubius, Penstemon albidus, Penstemon ambiguus, Penstemon angustifolius, Penstemon auriberbis, Penstemon buckleyi, Penstemon clutei, Penstemon cobaea, Penstemon digitalis, Penstemon fendleri, Penstemon glaber, Penstemon haydenii, Penstemon jamesii, Penstemon laxiflorus, Penstemon pallidus, Penstemon procerus, Penstemon serrulatus, Penstemon tubaeflorus, Penstemon virens, Penstemon imberbis, Penstemon abietinus, Penstemon acaulis, Penstemon acuminatus, Penstemon alamosensis, Penstemon albertinus, Penstemon albomarginatus, Penstemon anguineus, Penstemon arenarius, Penstemon arenicola,

Species in the Plantaginaceae family

Acanthorrhinum ramosissimum, Adenosma annamense, Adenosma bracteosum, Adenosma camphoratum, Adenosma cordifolium, Adenosma debilis, Adenosma elsholtzioides, Adenosma glutinosum, Adenosma hirsutum, Adenosma indianum, Adenosma inopinatum, Adenosma javanicum, Adenosma macrophyllum, Adenosma malabaricum, Adenosma microcephalum, Adenosma muelleri, Adenosma nelsonioides, Adenosma papuana, Adenosma punctata, Adenosma retusilobum, Adenosma subrepens, Adenosma ternata, Adenosma thorelii, Agathelpis adunca, Agathelpis brevifolia, Agathelpis mucronata, Albraunia foveopilosa, Albraunia fugax, Albraunia psilosperma, Anamaria heterophylla, Anarrhinum bellidifolium, Anarrhinum corsicum, Anarrhinum duriminium, Anarrhinum forsskaolii, Anarrhinum fruticosum, Anarrhinum intermedium, Anarrhinum laxiflorum, Anarrhinum longipedicellatum, Anarrhinum orientale, Anarrhinum pedatum, Anarrhinum forskaohlii, Ancistrostylis harmandii, Angelonia acuminatissima, Angelonia alternifolia, Angelonia angustifolia, Angelonia arguta, Angelonia biflora, Angelonia bisaccata, Angelonia blanchetii, Angelonia campestris,

References

Francis W. Pennell (1886-1952): Based on occurrence of standard abbreviation 'Pennell' in the authors string.
POWO record for urn:lsid:ipni.org:names:187596-2: Govaerts R (ed.). 2023. WCVP: World Checklist of Vascular Plants [Version 11]. Facilitated by the Royal Botanic Gardens, Kew. [WWW document] URL http://sftp.kew.org/pub/data-repositories/WCVP/ [accessed 20 April 2023].