Overview
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Critically Endangered |
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Common Names
Common Names in English:
Wright's Dogweed
Description
Genus Adenophyllum
Annuals
, perennials
, or subshrubs [shrubs
], (20-) 30-70[-250+] cm. Stems erect
, branched from bases
or throughout. Leaves cauline; mostly opposite (distal sometimes alternate) ; petiolate
or sessile; blades
(or lobes
) ovate
, oblanceolate
, or linear
, 1-pinnately lobed
, ultimate
margins
± toothed
(teeth often bristle-tipped), faces
glabrous
or ± hirtellous to scabrellous (oil-glands usually borne at bases of lobes and subterminally near apices). Heads usually radiate
, rarely discoid
, borne singly. Calyculi of 3-5 or 12-22 linear to subulate
bractlets
(sometimes with 1-2 lobes, often bristle-tipped, usually bearing oil-glands). Involucres campanulate
to obconic [hemispheric
], [5-]7-20+ mm diam. Phyllaries persistent
, 8-20+ in ± 2 series (weakly connate
1/3-3/4 their lengths
, separating in age, mostly lanceolate to linear, margins of outer distinct
to bases or nearly so, oil-glands in faces and near margins). Receptacles convex
, ± pitted
(socket
margins fimbrillate
to setose
), epaleate. Ray florets usually 7-16[-16], rarely 0, pistillate
, fertile
; corollas yellow to orange or red-orange. Disc florets 25-70[100+], bisexual
, fertile; corollas yellow to yellow-orange, tubes
shorter than cylindric
throats
, lobes 5, lance-ovate to lance-linear
. Cypselae obpyramidal
[obconic], glabrous or ± strigose
or sericeous
; pappi persistent, of 8-20 scales
in 1-2 series (single scales muticous, or unequally 3-aristate, or comprising 5-11 basally connate bristles). x = 7, 13.
Species 10: sw United
States, Mexico, Central America.[1]
Physical Description
Habitat
Biology
Reproduction
Duration: Annual
Taxonomy
- Kingdom:
Plantae
(
)
- Plants
- Phylum:
Tracheophyta
()
- Vascular Plants
- Class:
Magnoliopsida
()
- Dicotyledons
- Order:
Asterales
()
- Family:
Noctuoidea
()
- Genus:
Adenophyllum
()
- Persoon, Syn. Pl. 2: 458. 1807.
- [Greek adeno, gland, and phyllon, leaf]
- Specific epithet:
wrightii
- Gray
- Botanical name: - Adenophyllum wrightii Gray
- Specific epithet:
wrightii
- Gray
- Genus:
Adenophyllum
(
- Family:
Noctuoidea
(
- Order:
Asterales
(
- Class:
Magnoliopsida
(
- Phylum:
Tracheophyta
(
Unambiguous Synonyms
- Dyssodia neomexicana (Gray) B. L. Robins.
- Hymenatherum neomexicanum Gray
Notes
Name Status: Accepted Name . Latest taxonomic scrutiny: 15-Mar-2000
Similar Species
Members of the genus Adenophyllum
ZipcodeZoo has pages for 16 species, subspecies, varieties, forms, and cultivars in this genus:
A. anomalum · A. appendiculatum · A. aurantium · A. cancellatum · A. capillaceum · A. cavanillesii · A. coccineum · A. cooperi (Cooper's Dyssodia) · A. glandulosum · A. porophylloides (San Felipe Dyssodia) · A. porophyllum (Poreleaf Dogweed) · A. pulcherrimum · A. speciosum · A. squamosum · A. wrightii (Wright's Dogweed) · A. wrightii var. pulcherrimum
More Info
- Search for Pictures: images.google.com
- Search for Scholarly Articles: Google Scholar
- Search using Scientific Name and Vernacular Names: All the Web | AltaVista Canada | AltaVista | Excite | Google | HotBot | Lycos
- Search using Specialized Databases: GenBank | Medline | Scirus | CISTI/CAL | Agricola Periodicals | Agricola Books
Notes
Contributors
- "Adenophyllum wrightii". in Flora of North America Vol. 21 Page 238, 239. Published by Oxford University Press. Online at EFloras.org.
- Bisby FA, Roskov YR, Orrell TM, Nicolson D, Paglinawan LE, Bailly N, Kirk PM, Bourgoin T, van Hertum J, eds (2008). Species 2000 & ITIS Catalogue of Life: 2008 Annual Checklist Taxonomic Classification. CD-ROM; Species 2000: Reading, U.K.
- Global Biodiversity Information Facility. Accessed February 01, 2008. http://www.gbif.org Mediated distribution data from provider.
Data Sources
Accessed through GBIF Data Portal February 01, 2008:
- USDA PLANTS, USDA PLANTS Database
Identifiers
- Biodiversity Heritage Library NamebankID: 2664210
- Catalogue of Life Accepted Name Code: ITS-185205
- Integrated Taxonomic Information System (ITIS) Taxonomic Serial Number (TSN): 185205
- International Plant Names Index (IPNI) ID: 4379-2
- Natural Heritage Network Species Identifier: PDASTD0010
- U.S.D.A. Plant Symbol: HYNE2
- Zipcode Zoo Species Identifier: 16986
Footnotes
- John L. Strother "Adenophyllum". in Flora of North America Vol. 21 Page 222, 237. Oxford University Press. Online at EFloras.org. [back]
