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Dizin: Equisetum

Equisetum, Carl von Linnaeus, 1753.
Atkuyruğu.
1. Green sterile stems present; fertile stems green or not, present or absent
 2. Sterile stems unbranched
  3. Sheats with a blackish band at the bottom, teeth caducous; stem ridges rough 1. hyemale
  3 Sheats without a blackish band at the bottom; teeth persistent, stem ridges smooth
   4. Stems with 6-8 deep grooves; teeth 1-ribbed; central hollow of stem small, less than 1/2 stem diameter 4. palustre
   4. Stemw with 10-30 shallow grooves; teeth not ribbed; central hollow of stem about 4/6 the stem diameter 3. fluviatile
 2. Sterile stems branched
  5. Branches themselves branched, drooping at their ends; teeth united into 3-6 broad, subacute lobes 5. sylvaticum
  5. Branches unbranched, not drooping; teeth free, acute
   6. Teeth not ribbed; central hollow about 4/6 the stem diameter 3. fluviatile
   6. Teeth with 1-2 ribs; central hollow up to 2/3 the stem diameter
    7. Sterile stem whitish, 20-40 grooved; teeth 2-ribbed 7. telmateia
    7. Sterile stems green, with less than 20 grooves; teeth 1-ribbed
     8. Branches hollow; lowest internode of branches much shorter than the stem sheath
      9. Stems green; cone obtuse; central hollow less than 1/2 stem diameter 4. palustre
      9. Stem glaucous; spike apiculate; central hollow more than 1/2 the stem diameter 2. ramosissimum
     8. Branches solid; lowest internode of branches as long as or longer than the stem sheath, at least in the upper part of the stem 6. arvense
1. Green sterile stems absent; fertile stems present, not green
 10. Sheaths with 20-30 teeth; cone 4-8 cm. 7. telmateia
 10. Sheaths with 6-12 teeth; cone 1-4 cm. 6. arvense I:32

Equisetum arvense

Equisetum arvense

Equisetum arvense, Field horsetail, Tarla atkuyruğu hakkında genel bilgiler. Equisetum arvense, Tarla atkuyruğunun faydaları ve zararları.