Kingdom:
Phylum:
Angiosperms
Order:
Lamiales
Genus:
Species:
debilis
ID:
1139218

Status:
valid

Authors:
O'Kane & J.L.Anderson

Source:
tro

Year:
1987

Citation Micro:
Brittonia 39: 412 (1987)

WFO Identifier:
wfo-0001138556

Common Names

  • Penstemon debilis
  • Debilis Penstemon
  • Debilis

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Description

Penstemon debilis (also called Weak Penstemon, among many other common names) is a small herbaceous perennial plant of the family Plantaginaceae. It grows up to 10 cm tall and has small, white flowers with yellow centers. It is native to North America, and is found in grassy meadows, open woods, and rocky slopes.

Uses & Benefits

Penstemon debilis is used as an ornamental plant in gardens and is also used in traditional medicine for treating a variety of ailments.

Flower, Seeds and Seedlings

Penstemon debilis has white to pale pink flowers with five petals. Its seeds are small and black. The seedlings have two cotyledons and two true leaves.

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Cultivation and Propagation

Penstemon debilis is a perennial shrub that is propagated by cuttings or division. It prefers full sun and can be grown in a variety of soils. It should be watered regularly and fertilized every two to three months. Pruning should be done in late winter or early spring to promote new growth.

Where to Find Penstemon debilis

Penstemon debilis can be found in the dry, open woodlands of the western United States.

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

Steve Lawrence O'Kane (b.1956): Based on occurrence of standard abbreviation 'O'Kane' in the authors string.
John L. Anderson: Based on occurrence of standard abbreviation 'J.L.Anderson' in the authors string.
POWO record for urn:lsid:ipni.org:names:282296-2: 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].