Kingdom:
Phylum:
Angiosperms
Order:
Lamiales
Genus:
Species:
marcusii
ID:
1137730

Status:
valid

Authors:
(D.D.Keck) N.H.Holmgren

Source:
tro

Year:
1979

Citation Micro:
Brittonia 31: 105 (1979)

WFO Identifier:
wfo-0001137068

Common Names

  • Marcus' Penstemon
  • Marcus Penstemon
  • Marcuss Penstemon

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Description

Penstemon marcusii (also called Marcus' Penstemon, among many other common names) is a perennial herbaceous plant that grows up to 40 cm tall. It is native to the western United States and Canada, where it is found in dry, open habitats, such as sagebrush and juniper woodlands.

Uses & Benefits

Penstemon marcusii is a drought-tolerant plant that is often used in rock gardens and as a ground cover. It is also used in xeriscaping, as it requires very little water to survive.

Flower, Seeds and Seedlings

The flower of Penstemon marcusii is a tubular, two-lipped corolla, usually blue to purple in colour. The seed is a small, dark brown nutlet. The seedlings are small, with oval-shaped leaves.

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Cultivation and Propagation

Penstemon marcusii is a perennial plant that can be propagated through division or cuttings. It can be cultivated in well-drained soil in full sun or partial shade. It is drought tolerant and can tolerate temperatures as low as -20°F (-29°C). It is best to water the plant regularly during the growing season and to fertilize it with a balanced fertilizer once a year.

Where to Find Penstemon marcusii

Penstemon marcusii can be found in the western United States, primarily in California, Nevada, Utah, and Arizona.

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

David D. Keck (1903-1995): Based on occurrence of standard abbreviation 'D.D.Keck' in the authors string.
Noel Herman Holmgren (b.1937): Based on occurrence of standard abbreviation 'N.H.Holmgren' in the authors string.
POWO record for urn:lsid:ipni.org:names:187473-2: 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].