Kingdom:
Phylum:
Angiosperms
Order:
Asterales
Family:
Genus:
Species:
nigrescens
ID:
25237

Status:
valid

Authors:
Willd.

Source:
gcc

Year:
1803

Citation Micro:
Sp. Pl., ed. 4 [Willdenow] 3(3): 1574. 1803 [Apr-Dec 1803]

WFO Identifier:
wfo-0000024566

Common Names

  • Hieracium nigrescens
  • Black Hawkweed
  • Black Hieracium

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Synonyms

  • Hieracium nigrescens nigrescens [unknown]

Description

Hieracium nigrescens (also called black hawkweed, among many other common names) is a species of flowering plant in the aster family. It is native to the southwestern United States and northern Mexico, where it grows in desert and chaparral habitats.

Uses & Benefits

Hieracium nigrescens is used as an ornamental plant in gardens and as a dried flower in floral arrangements. It is also used as a medicinal plant to treat fever and other ailments.

Cultivars, Varieties & Sub-species

Hieracium nigrescens sub. leontodontoides (Arv.-Touv. & Briq.) Zahn
Hieracium nigrescens sub. nigrescens
Hieracium nigrescens sub. nigrescentiforme Zahn
Hieracium nigrescens sub. rhaeticum (Fr.) Zahn
Hieracium nigrescens sub. pseudorhaeticum Zahn
Hieracium nigrescens sub. subpumilum (Zahn) Zahn
Hieracium nigrescens sub. subneglectum (Zahn) Zahn
Hieracium nigrescens sub. cochleare (Huter) Zahn
Hieracium nigrescens sub. subrhaeticum (Zahn) Zahn
Hieracium nigrescens sub. pseudohalleri Zahn
Hieracium nigrescens sub. valpiorae (Zahn) Zahn
Hieracium nigrescens sub. decipiens (Tausch) Zahn

Flower, Seeds and Seedlings

The flowers of Hieracium nigrescens are small and yellow, with five petals. The seeds are small and black, with a thin, papery seed coat. The seedlings are thin and delicate, with small, yellow leaves.

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Cultivation and Propagation

Hieracium nigrescens is a perennial plant that can be propagated by division or seed. It grows best in full sun and moist, well-drained soil. It can tolerate some drought but will not tolerate wet soil. In the spring, the plant should be cut back to encourage new growth. Deadheading will also help to promote more blooms.

Where to Find Hieracium nigrescens

Hieracium nigrescens is found in the alpine regions of Europe, Asia, and North America.

Hieracium nigrescens FAQ

What is the scientific name of Hieracium nigrescens?

Hieracium nigrescens

What is the common name of Hieracium nigrescens?

Black Hawkweed

What is the habitat of Hieracium nigrescens?

Grasslands, meadows, and disturbed areas

Species in the Hieracium genus

Hieracium aragonense, Hieracium convergens, Hieracium claricolor, Hieracium criniculosum, Hieracium amphichnoum, Hieracium shoolbredii, Hieracium trachlosimum, Hieracium phaedrocheilon, Hieracium irasuense, Hieracium moravicum, Hieracium glaucopsis, Hieracium gigantum, Hieracium calliglaucum, Hieracium subfusciviride, Hieracium villattingense, Hieracium supernatum, Hieracium austurgilense, Hieracium cuspididentatum, Hieracium adspersum, Hieracium grandifolium, Hieracium hypochoeroides, Hieracium spathulatum, Hieracium stenolomoides, Hieracium berganum, Hieracium guthnikianum, Hieracium glanduliceps, Hieracium semianglicum, Hieracium amplificatum, Hieracium subacuens, Hieracium lanifolium, Hieracium sanguineum, Hieracium palenicae, Hieracium webbianum, Hieracium lugae-pljussae, Hieracium argospathum, Hieracium breconicola, Hieracium turritifolium, Hieracium sermonikense, Hieracium pedunculare, Hieracium parnassi, Hieracium exaltans, Hieracium ruminosiforme, Hieracium carpetanum, Hieracium subanfractum, Hieracium albiduliforme, Hieracium pallidivirens, Hieracium niveicuspis, Hieracium asteroloma, Hieracium pollinense, Hieracium azerbaijanense,

Species in the Asteraceae family

Aaronsohnia pubescens, Aaronsohnia factorovskyi, Abrotanella filiformis, Abrotanella rostrata, Abrotanella linearis, Abrotanella trilobata, Abrotanella muscosa, Abrotanella inconspicua, Abrotanella trichoachaenia, Abrotanella caespitosa, Abrotanella nivigena, Abrotanella pusilla, Abrotanella linearifolia, Abrotanella papuana, Abrotanella rosulata, Abrotanella emarginata, Abrotanella fertilis, Abrotanella spathulata, Abrotanella purpurea, Abrotanella patearoa, Abrotanella submarginata, Abrotanella diemii, Abrotanella scapigera, Abrotanella forsterioides, Acamptopappus shockleyi, Acamptopappus sphaerocephalus, Acanthocephalus benthamianus, Acanthocephalus amplexifolius, Acanthocladium dockeri, Acanthodesmos distichus, Acanthodesmos gibarensis, Acanthospermum humile, Acanthospermum consobrinum, Acanthospermum glabratum, Acanthospermum microcarpum, Acanthospermum hispidum, Acanthospermum australe, Acanthospermum lecocarpoides, Acanthostyles buniifolius, Acanthostyles saucechicoensis, Achillea buiana, Achillea conrathii, Achillea cucullata, Achillea styriaca, Achillea clavennae, Achillea cappadocica, Achillea huber-morathii, Achillea ptarmicoides, Achillea sieheana, Achillea barrelieri,

References