January 08, 2024

Hypericum linarioides : alpestre / linarioides

adapted from N. Robson 2010
Studies in the genus Hypericum L (Hypericaceae) 5(2). Sections 17. Hirtella to 19. Coridium.

1a Sepal margin entire ..........................................................................................................................................................3
1b Sepal margin ± gland-fringed........................................................................................................................................4

3a Leaves 25–30 mm long, narrowly elliptic, acute to obtuse; flower buds subacute

H. pseudorepens

NE Turkey (Kars)

3b Leaves 5–18 mm long, oblong-elliptic to linear or narrowly oblanceolate, subapiculate to rounded; flower buds rounded.

H. linarioides subsp. linarioides

Russia (Ciscaucasia), Transcaucasia, NW Iran, N Turkey

4a Leaves oblong-elliptic to linear, usually broadest at middle

linarioides subsp. linarioides

4b Leaves narrowly oblong to oblanceolate or linear, usually broadest above middle

H. linarioides subsp. alpestre

Ukraine (the Crimea), S-E Serbia, W Bulgaria, N Greece (Makedhonia)

Some typical alpestre
https://www.inaturalist.org/observations/85090472
https://www.inaturalist.org/observations/179507133

Some linarioides " sepals entire + board leaves"
https://www.inaturalist.org/observations/127494257

Some linarioides "sepals fringed + board leaves"
https://www.inaturalist.org/observations/127680173

Linarioides "sepal entire + narrow leaves"
https://www.inaturalist.org/observations/178395696
note the leaves still broadest from base to middle
https://www.inaturalist.org/observations/127833587

additional notes (N. Robson 2010)
H. linarioides 'polygonifolium' = broad-leaved tall form in Georgia
Georgian plants display a tendency for the leaves to be broadest above the middle

additional documents
https://hypericum.myspecies.info/taxonomy/term/843/descriptions

Posted on January 08, 2024 04:10 PM by kelian_gtr kelian_gtr | 0 comments | Leave a comment

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