Euphrasia stricta J. F. Lehm.

Species description (© Flora Helvetica 2018)

5-30(-50) cm hoch, oft rot überlaufen. Stängel straff aufrecht, meist unten verzweigt, mit langen +/- aufrechten Ästen, kurz behaart, aber meist ohne Drüsen. Blätter meist deutlich länger als breit, kahl, die mittleren und oberen jederseits mit 3-7 spitzen und kurz begrannten Zähnen. Krone blasslila, 6-10 mm lang. Kelch 4-7 mm lang. Frucht etwa so lang wie der Kelch, behaart, 2-3mal so lang wie breit.

Flowering period (© Flora Helvetica 2018)

7-9

Habitat and distribution inside Switzerland (© Flora Helvetica 2018)

Magere Wiesen, sandige Lehmböden in warmen Lagen / kollin-subalpin / CH

World distribution (© Flora Helvetica 2018)

Eurosibirisch

Ecological indicator (© Landolt & al. 2010)

1⁺32-334.t.hp.2n=44

Status

IUCN status

 Near threatened

National Priority

 K - no national priority

International responsibility

 K - none

Habitat and distribution inside Switzerland

CH

World distribution

Eurosibirisch

Habitats

Ecological indicator values by © Landolt & al. (2010)

Soil factors		Climatic factors		Salinity tolerance
Humidity Value H	--	Light Value L	--	Salinity Index	--
Reaction Value R	--	Temperature factor T	--
Nutriments value N	--	Continentality K	--

• Ecological values legend
  

  Humidity Value H
  1	very dry
  1+	dry
  2	moderatly dry
  2+	moist
  3	medium wet
  3+	wet
  4	very wet
  4+	soggy
  5	submerged or underwater
  f	plants living in running water
  u	mostly submerged plants
  v	partly submerged, partly floating plants
  w	humidity moderately variable (± scale of 1-2)
  w+	highly variable humidity (scale exceeding ± 2)

  Reaction Value R
  1	Very acid (pH 2.5-5.5)
  2	acid (pH 3.5-6.5)
  3	lightly acid to neutral (pH 4.5-7.5)
  4	neutral to basic (pH 5.5-8.5)
  5	basic (pH 6-5 -> 8.5

  Nutriments value N
  1	very low in nutrients
  2	low in nutriments
  3	medium-poor to medium-rich in nutrients
  4	rich in nutriments
  5	very rich in nutriments

  Salinity tolerance
  1	halotolerant
  3	halophyle

  Light Value L
  1	very shady
  2	shady
  3	lighted areas
  4	luminous
  5	highly luminous

  Temperature factor T
  1	alpine to nival stages (from the treeline to the snowline)
  1+	suprasubalpine and upper subalpine levels (pine and larch forests)
  2	subalpine level (coniferous forests without beeches up to the upper limit of spruces)
  2+	lower subalpine and upper mountain stages
  3	mountain level (beech and silver fir forests, in the central Alps Scots pine forests)
  3+	lower mountain and upper hill levels
  4	hill level (mixed deciduous oak forests)
  4+	hot places, hill level
  5	very hot places, hill level (only in the hottest places, typical of southern Europe)

  Continentality K
  1	Atlantic (high air humidity, very low temperature variations, mild winters)
  2	Sub-Atlantic (high air humidity, low temperature variations, relatively mild winters)
  3	sub-Atlantic to subcontinental (average air humidity, moderately variable temperature, slightly low winter temperatures)
  4	subcontinental (low air humidity, large temperature variations, rather cold winters)
  5	continental (very low air humidity, very large temperature variations, cold winters)

Match with other reference books

Relation	Nom	Book	No
=	Euphrasia stricta J. F. Lehm.	Checklist 2017	164000
=	Euphrasia stricta J. F. Lehm.	Flora Helvetica 2001	1837
=	Euphrasia stricta J. F. Lehm.	Flora Helvetica 2012	1778
=	Euphrasia stricta J. F. Lehm.	Flora Helvetica 2018	1778
=	Euphrasia stricta J. F. Lehm.	Index synonymique 1996	164000
=	Euphrasia stricta J. F. Lehm.	Landolt 1977	2712
=	Euphrasia stricta J. F. Lehm.	Landolt 1991	2200
=	Euphrasia brevipila Burnat & Gremli	SISF/ISFS 2	162100
=	Euphrasia stricta J. F. Lehm.	SISF/ISFS 2	164000
=	Euphrasia stricta J. F. Lehm.	Welten & Sutter 1982	1533

Status on regional Red List 2019

Biogregraphic regions	Status	IUCN criteria
Jura (JU)	VU	A4c; B2ab(iii)
Mittelland (MP)	EN	A4c; B2ab(iii)
Alpennordflanke (NA)	NT	B2b(iii)
Westliche Zentralalpen (WA)	NT	B2b(iii)
Östliche Zentralalpen (EA)	NT	B2b(iii)
Alpensüdflanke (SA)	NT	B2b(iii)

• Legend
  

  EX	Extinct
  RE	Regionally Extinct
  CR(PE)	Critically Endangered, Probably Extinct
  CR	Critically Endangered
  EN	Endangered
  VU	Vulnerable
  NT	Near Threatened
  LC	Least Concern