Ruppia cirrhosa (Petagna) Grande, 1918 37% complete

Spiral tasselweed

Bull. Orto Bot. Regia Univ. Napoli 5: 58 (1918)


Data sources

Each value Trefle shows for Ruppia cirrhosa, 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.

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Sourced4 Differs from sources4 Source not recorded15 Not on the record8 Sources: TRY Plant Trait Database
Field Shown What the sources say
Core
Author (Petagna) Grande No source recorded
Source not recorded
Bibliography Bull. Orto Bot. Regia Univ. Napoli 5: 58 (1918) 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 1918 No source recorded
Source not recorded
Descriptive
Common name Spiral tasselweed No source recorded
Source not recorded
Observations Temp. & Subtrop. No source recorded
Source not recorded
Morphology
Average height 38 cm Differs from sources
Biological type hydrophyte
  • hydrophyte · TRY Plant Trait Database · Measured · 8 observations · 2026-10-09
    TRY 7.0 datasets 25, 71, 174, 178, 918
Sourced
Foliage texture fine Sourced
Fruit shape empty Not on the record
Growth form Rhizomatous No source recorded
Source not recorded
Growth habit Forb/herb No source recorded
Source not recorded
Growth rate Rapid No source recorded
Source not recorded
Maximum height empty Not on the record
Sexuality empty Not on the record
Vegetable false No source recorded
Source not recorded
Phenology
Bloom months feb Sourced
Duration perennial Sourced
Ecology
Atmospheric humidity 9 / 9 · saturated air No source recorded
Source not recorded
Ground humidity empty No source recorded
1 earlier or rejected value
  • Rejected 12 / 12 · deep or submerged aquatic, 1 to 3 m · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09
    TRY 7.0 datasets 178
Not on the record
Light 8 / 9 · light
  • 7 / 9 · half-light to light · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09
    TRY 7.0 datasets 178
Differs from sources
Nitrogen fixation empty Not on the record
Ph maximum pH 8.5 No source recorded
Source not recorded
Ph minimum pH 5.4 No source recorded
Source not recorded
Soil nutriments 6 / 9 · rather rich (meso-eutrophic)
  • 5 / 9 · intermediate (mesotrophic) · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09
    TRY 7.0 datasets 178
Differs from sources
Soil salinity 8 / 9 · very strongly saline (polyhaline)
  • 7 / 9 · strongly saline (euhaline) · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09
    TRY 7.0 datasets 178, 242
Differs from sources
Other
Human usage type —
  • cooking_fats_and_oils, vegetables_and_fruits · TRY Plant Trait Database · Reported · 2 observations · 2026-10-09
    TRY 7.0 datasets 341, 414
Not on the record
Soil ph indicator — Not on the record
Temperature indicator — Not on the record