Kingdom:
Phylum:
Angiosperms
Order:
Lamiales
Genus:
Species:
oliganthus
ID:
1137749

Status:
valid

Authors:
Wooton & Standl.

Source:
tro

Year:
1913

Citation Micro:
Contr. U.S. Natl. Herb. 16: 172 (1913)

WFO Identifier:
wfo-0001137087

Common Names

  • Penstemon Oliganthus
  • Few-Flowered Penstemon
  • Few-Flowered Beardtongue

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Description

Penstemon oliganthus (also called Few-flowered 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 oliganthus is a popular ornamental plant used in gardens and landscapes. It has a long blooming period and is attractive to hummingbirds and butterflies. It is also used in cut flower arrangements and as a dried flower.

Flower, Seeds and Seedlings

The flower of Penstemon oliganthus 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 oliganthus 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 oliganthus

Penstemon oliganthus can be found in the western United States, from California to Montana and Wyoming.

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

Paul Carpenter Standley (1884-1963): Based on occurrence of standard abbreviation 'Standl.' in the authors string.
Elmer Ottis Wooton (1865-1945): Based on occurrence of standard abbreviation 'Wooton' in the authors string.
POWO record for urn:lsid:ipni.org:names:808210-1: 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].