Gen. N. Amer. Pl. 2: 177 (1818)
Each value Trefle shows for Helianthus pauciflorus, with what every source says about it. When sources disagree, the strongest source is shown (how sources are ranked). Values imported before sources were recorded one by one are marked Source not recorded.
Something wrong? Suggest a correction.
| Field | Shown | What the sources say | |
|---|---|---|---|
| Core | |||
| Author | Nutt. |
No source recorded
|
Source not recorded |
| Bibliography | Gen. N. Amer. Pl. 2: 177 (1818) |
No source recorded
|
Source not recorded |
| Phylum | Tracheophyta |
No source recorded
|
Source not recorded |
| Rank | species |
No source recorded
|
Source not recorded |
| Status | accepted |
No source recorded
|
Source not recorded |
| Year | 1818 |
No source recorded
|
Source not recorded |
| Descriptive | |||
| Common name | Stiff sunflower |
No source recorded
|
Source not recorded |
| Family common name | Aster family |
No source recorded
|
Source not recorded |
| Observations | Canada to N. & EC. U.S.A. |
No source recorded
|
Source not recorded |
| Morphology | |||
| Average height | empty |
|
Not on the record |
| Biological type | empty |
|
Not on the record |
| Flower color | yellow |
No source recorded
|
Source not recorded |
| Growth habit | Forb/herb |
No source recorded
|
Source not recorded |
| Vegetable | false |
No source recorded
|
Source not recorded |
| Phenology | |||
| Duration | empty |
|
Not on the record |
| Ecology | |||
| Atmospheric humidity | 4 / 9 · moderately dry air |
No source recorded
|
Source not recorded |
| Light | 8 / 9 · light |
No source recorded
|
Source not recorded |
| Ph maximum | pH 8 |
No source recorded
|
Source not recorded |
| Ph minimum | pH 7.5 |
No source recorded
|
Source not recorded |
| Soil nutriments | 6 / 9 · rather rich (meso-eutrophic) |
No source recorded
|
Source not recorded |
| Soil salinity | 0 / 9 · absent from saline soils |
No source recorded
|
Source not recorded |
| Cultivation | |||
| Minimum root depth | 134 cm |
|
Sourced |
| Usda legacy | |||
| C n ratio | empty |
|
Not on the record |