Kingdom:
Phylum:
Angiosperms
Order:
Myrtales
Family:
Genus:
Species:
longissima
ID:
1088202

Status:
valid

Authors:
Rydb.

Source:
tro

Year:
1913

Citation Micro:
Bull. Torrey Bot. Club 40: 65 (1913)

WFO Identifier:
wfo-0001087540



Common Names

  • Oenothera longissima
  • Longest Oenothera
  • Longest False Mallow


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Uses & Benefits

Oenothera longissima is a popular ornamental plant that is often used in gardens and flower beds. It is known for its attractive foliage and flowers, and can also be used as a ground cover.

Cultivars, Varieties & Sub-species

Oenothera longissima sub. clutei (A.Nelson) Munz

Flower, Seeds and Seedlings

The Oenothera longissima flower is a yellow-orange color and has four petals. The seed is small, round and black. The seedlings have long, narrow leaves that are light green in color.

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Cultivation and Propagation

Oenothera longissima can be propagated from seed or cuttings. To propagate from seed, sow the seeds in a well-draining soil mix in a sunny location. To propagate from cuttings, take cuttings from the stems and roots in the spring and root them in a moist soil mix. Once the cuttings have rooted, transplant them into a sunny location.

Where to Find Oenothera longissima

Oenothera longissima is native to the western United States and Canada, from British Columbia to California and east to Montana and Wyoming.

Species in the Oenothera genus

Oenothera breedlovei, Oenothera braunii, Oenothera tetraptera, Oenothera perennis, Oenothera picensis, Oenothera tamrae, Oenothera tafiensis, Oenothera polgarii, Oenothera epilobiifolia, Oenothera glazioviana, Oenothera elata, Oenothera drawertii, Oenothera laciniata, Oenothera longiflora, Oenothera heiniana, Oenothera grandiflora, Oenothera affinis, Oenothera clavifera, Oenothera anomala, Oenothera biennis, Oenothera berlandieri, Oenothera villosa, Oenothera stubbei, Oenothera parviflora, Oenothera odorata, Oenothera oakesiana, Oenothera purpurans, Oenothera pennellii, Oenothera muelleri, Oenothera moravica, Oenothera maysillesii, Oenothera magallanica, Oenothera murdockii, Oenothera seifrizii, Oenothera speciosa, Oenothera stricta, Oenothera rosea, Oenothera riskindii, Oenothera arida, Oenothera gaura, Oenothera glaucifolia, Oenothera patriciae, Oenothera sinuosa, Oenothera fallax, Oenothera fruticosa, Oenothera nuttallii, Oenothera acutissima, Oenothera catharinensis, Oenothera centaureifolia, Oenothera coquimbensis,

Species in the Onagraceae family

Camissonia bolanderi, Camissonia dominguez-escalantorum, Camissonia bairdii, Camissonia benitensis, Camissonia breviflora, Camissonia campestris, Camissonia contorta, Camissonia dentata, Camissonia integrifolia, Camissonia kernensis, Camissonia lacustris, Camissonia ovata, Camissonia parvula, Camissonia pubens, Camissonia pusilla, Camissonia sierrae, Camissonia strigulosa, Camissonia subacaulis, Camissonia tanacetifolia, Camissonia contorta, Camissoniopsis bistorta, Camissoniopsis cheiranthifolia, Camissoniopsis confusa, Camissoniopsis guadalupensis, Camissoniopsis hardhamiae, Camissoniopsis hirtella, Camissoniopsis ignota, Camissoniopsis intermedia, Camissoniopsis lewisii, Camissoniopsis luciae, Camissoniopsis micrantha, Camissoniopsis pallida, Camissoniopsis proavita, Camissoniopsis robusta, Chylismia atwoodii, Chylismia confertiflora, Chylismia eastwoodiae, Chylismia exilis, Chylismia megalantha, Chylismia munzii, Chylismia specicola, Chylismia arenaria, Chylismia brevipes, Chylismia cardiophylla, Chylismia claviformis, Chylismia heterochroma, Chylismia parryi, Chylismia scapoidea, Chylismia walkeri, Chylismiella pterosperma,

References