Details for: PI 592343, Helianthus nuttallii Torr. & A. Gray subsp. rydbergii (Britton) R. W. Long, NUT-2286


Summary Data
Taxonomy:
Helianthus nuttallii Torr. & A. Gray subsp. rydbergii (Britton) R. W. Long
Top Name:
NUT-2286
Origin:
Collected – Manitoba, Canada
Received by NPGS:
16 Sep 1994
Improvement Status:
Wild material
Form Received:
Seed
Life Form:
Perennial
Life Cycle:
Perennial
Availability
FormQuantityNoteInventoryCart
Seed100 countPI 592343 19ncai01 SD
 
Images (5 total. Click on image for more.)

FIELD

Core Passport Data
Taxonomy:
Helianthus nuttallii Torr. & A. Gray subsp. rydbergii (Britton) R. W. Long
Top Name:
NUT-2286
Origin:
Collected – Manitoba, Canada
Received by NPGS:
16 Sep 1994
Improvement Status:
Wild material
Form Received:
Seed
Life Form:
Perennial
Life Cycle:
Perennial
Source History
Collected
03 September 1994.
Manitoba, Canada
Locality: 1.6 km north of McCreary, Hwy. 5 N.
Coordinates: 50.7697, -99.4978 (Map it)
Elevation: 427m.
Georeference protocol: Lat/lon determined by GPS
Environment description: Black-brown, sandy-loam soil, level area of roadside ditch, topography - swamp, moderate soil nutrient content, no salinity, imperfect drainage, tillage not affected by stoniness. Located along margin of cultivated field.
Number of plants sampled: 38

Collector(s):
Donated
16 September 1994.
North Dakota, United States

Donor(s):
Accession Names and Identifiers
NUT-2286
Type: Collector identifier
Seiler, Gerald USDA, ARS

Ames 22208
Type: Site identifier
Group: AMES
Ames
USDA ARS NCRPIS

SEI0294
Type: Exploration identifier
Group: PEO-EXPLORATIONS
Exploration ID links

Narrative
Dense, localized population in swampy roadside ditch, near stream. Uniform population, effective population size - 100 plants, population area 300 meters square. Plants about 3 m tall, red stems, alternate, serrate leaves, more typical H. nuttallii. Peak flowering, seed set questionable. No apparent insect damage, moderate to severe rust.
Helianthus nuttallii Torr. & A. Gray subspp. rydbergii (Britton) R. W. Long
Genus:
Helianthus
Family:
Asteraceae (alt. Compositae)
Subfamily:
Asteroideae
Tribe:
Heliantheae
Nomen number:

104315
Place of publication:

Brittonia 18:77. 1966
Verified:
03/08/2010 by ARS Systematic Botanists.
Other conspecific taxa
Helianthus nuttallii Torr. & A. Gray (10 active accession[s])
Helianthus nuttallii Torr. & A. Gray subsp. nuttallii (25 active accession[s])
Helianthus nuttallii Torr. & A. Gray subsp. parishii (A. Gray) Heiser (0 active accession[s])
Autonyms (not in current use), synonyms and invalid designations
Basionym
Helianthus rydbergii Britton

Common names
LanguageNameAlternate namenoteseqCitation
EnglishRydberg's sunflower  1Rogers, C. E. et al. 1982. Sunflower species of the United States 49.
Annotations
  • Taxonomic Re-Identification: 19 Sep 1995, from Helianthus nuttallii Torr. & A. Gray to Helianthus nuttallii Torr. & A. Gray subsp. rydbergii (Britton) R. W. Long
Other Links
Actions
Pathogens
Vouchers
Citations
Pedigree

Observations

Phenotype Data

CategoryDescriptorDescriptionValueSample SizeStudyInventoryAvailability
PRODUCTION100 Seed WeightWeight in grams of 100 seeds0.2 SUNFLOWER.AMES.SUN.INC.ORIG.HPI 592343 94ncao51 SDNot Available