Difference between revisions of "User:Flezac19"

From Puget Prairie Plants
Line 1: Line 1:
__NOTOC__
+
''Dichanthelium acuminatum (Sw.) Gould & Clark'', also called tapered rosette grass, Western panicum, Western witchgrass, or Western panicgrass, is a perennial native plant of the Puget Prairie ecosystem in the Poaceae family. Other names: ''Panicum occidentale''
 
+
First overview block: Scientific Name, Synonyms, Family, English Names, Other Names
+
 
+
''Dichanthelium acuminatum (Sw.) Gould & Clark'', also called tapered rosette grass, Western panicum, Western witchgrass, or Western panicgrass, is a perennial native plant of the Puget Prairie ecosystem in the Poaceae family.  
+
  
 
==Taxonomy==
 
==Taxonomy==
Line 19: Line 15:
  
 
==Description==
 
==Description==
 +
 
'''''Dichanthelium acuminatum''''' is a species of grass from the genus ''Dichanthelium'', in North America.  
 
'''''Dichanthelium acuminatum''''' is a species of grass from the genus ''Dichanthelium'', in North America.  
  
''D. acuminatum'' forms a hybridization complex with other ''Dichanthelium'' species such as ''D. dichotomum'', ''D. sphaerocarpon'', ''D. ovale'', and ''D. aciculare''.
+
Tufted perennial; stems yellowish-green, leafy towards base, spreading, usually velvety-hairy, 15-40 cm tall. Leaves flat, firm, erect to ascending, hairy, 5-10 mm wide, no auricles; ligules 3-4 mm long, consisting of long hairs. Inflorescence a panicle, open, 3-9 cm long; spikelets up to 2 mm long, short-hairy, two flowered, the lower flower sterile; glumes unequal in size; fertile lemmas hardened (Pojar and MacKinnon, 1994)
 +
 
 
[[Image:diac2_001_lvp.jpg|thumb|left|Robert H. Mohlenbrock @ USDA-NRCS PLANTS Database / USDA SCS. 1989. Midwest wetland flora: Field office illustrated guide to plant species. Midwest National Technical Center, Lincoln.]]
 
[[Image:diac2_001_lvp.jpg|thumb|left|Robert H. Mohlenbrock @ USDA-NRCS PLANTS Database / USDA SCS. 1989. Midwest wetland flora: Field office illustrated guide to plant species. Midwest National Technical Center, Lincoln.]]
 
==Bloom Period==
 
==Bloom Period==
Line 39: Line 37:
 
====Features====
 
====Features====
  
'''Shape:''' One side of seed has two grooves running from hilum to opposite apex that form a football shaped opening.
 
 
'''Color:''' Seeds in green and purple husk that is coarsely hairy. Inner seed is off-white with a white, slightly puckered hilum.
 
 
'''Surface:''' Seeds are glossy and smooth. Some are very finely striped longitudinally.
 
 
'''Latitudinal Cross Section:''' elliptical [[File:DIAC lat.png]]
 
 
'''Longitudinal Cross Section:''' elliptical [[File:DIAC long.png]]
 
  
 
<ref>USDA Plants Profile: [http://plants.usda.gov/java/profile?symbol=DIAC2 ''Dichanthelium acuminatum'']</ref>
 
<ref>USDA Plants Profile: [http://plants.usda.gov/java/profile?symbol=DIAC2 ''Dichanthelium acuminatum'']</ref>

Revision as of 11:05, 23 April 2012

Dichanthelium acuminatum (Sw.) Gould & Clark, also called tapered rosette grass, Western panicum, Western witchgrass, or Western panicgrass, is a perennial native plant of the Puget Prairie ecosystem in the Poaceae family. Other names: Panicum occidentale

Taxonomy

  • Kingdom Plantae – Plants
  • Subkingdom Tracheobionta – Vascular plants
  • Superdivision Spermatophyta – Seed plants
  • Division Magnoliophyta – Flowering plants
  • Class Liliopsida – Monocotyledons
  • Subclass Commelinidae
  • Order Cyperales
  • Family Poaceae – Grass family
  • Genus Dichanthelium (Hitchc. & Chase) Gould – yarrow
  • Species Dichanthelium acuminatum (Sw.) Gould & C.A. Clark – tapered rosette grass

Description

Dichanthelium acuminatum is a species of grass from the genus Dichanthelium, in North America.

Tufted perennial; stems yellowish-green, leafy towards base, spreading, usually velvety-hairy, 15-40 cm tall. Leaves flat, firm, erect to ascending, hairy, 5-10 mm wide, no auricles; ligules 3-4 mm long, consisting of long hairs. Inflorescence a panicle, open, 3-9 cm long; spikelets up to 2 mm long, short-hairy, two flowered, the lower flower sterile; glumes unequal in size; fertile lemmas hardened (Pojar and MacKinnon, 1994)

Robert H. Mohlenbrock @ USDA-NRCS PLANTS Database / USDA SCS. 1989. Midwest wetland flora: Field office illustrated guide to plant species. Midwest National Technical Center, Lincoln.

Bloom Period

Distribution

Habitat

Uses

Propagation

Seed

Dichanthelium acuminatum

Abbreviation: DIAC

Seed sample from: 2011

Average Measurement: 1.6 x 1 x 0.8 Measurement Range: L: 1.5 x 1.9, W: no variation in sample set (all seeds measured 1 mm) D: 0.7 - 0.9

Features

[1]

References

  1. USDA Plants Profile: Dichanthelium acuminatum
  • Stewart, Hilary. (1984). Cedar: tree of life to the Northwest Coast Indians. Vancouver: Douglas & McIntyre. ISBN 0-88894-437-3.
  • Van Pelt, R. (2001). Forest Giants of the Pacific Coast. University of Washington Press. ISBN 0-295-98140-7.


Dichanthelium acuminatum [1]

[2]



Image Gallery
  1. Wikipedia: The Free Encyclopedia. Wikimedia Foundation Inc. [1]. Retrieved 04/12/2012.
  2. USDA, NRCS. 2012. The PLANTS Database (http://plants.usda.gov, 16 April 2012). National Plant Data Team, Greensboro, NC 27401-4901 USA. Retrieved 04/13/2012.