Flora of North America species comparison

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Hypericum hypericoides subsp. hypericoides
Photo is of parent taxon

St. Andrew's cross
Habit Plants erect, usually unbranched from base and freely branched well above ground level, 3–15 dm.
Leaf

blades usually narrowly elliptic to narrowly oblong, 7–25 × 1–8.5 mm, broadest near middle.
Inflorescences

branching dichasial/lateral to pseudodichotomous.
2n

= 18.

Hypericum hypericoides subsp. hypericoides
Phenology Flowering summer–fall (Jun–Oct).
Habitat Dry, open, sandy woods to moist, shady, rich woods and thickets
Elevation 0–1000 m (0–3300 ft)
Distribution
from FNA
AL; AR; DE; FL; GA; IL; KY; LA; MD; MO; MS; NC; NJ; OK; SC; TN; TX; VA; WV
[BONAP county map]
Discussion

Subspecies hypericoides is probably extirpated in Illinois.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 6, p. 87.
Parent taxa Hypericaceae > Hypericum > sect. Myriandra > Hypericum hypericoides
Sibling taxa
H. hypericoides subsp. multicaule
Synonyms Ascyrum crux-andreae var. angustifolium, A. linifolium, A. michauxii, A. montanum, A. oblongifolium, A. plumieri
Name authority unknown
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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(If the plant you're looking for doesn't show up in the auto-complete list, that means it either isn't described in Flora of North America yet, or it's listed under a synonym. And please note that Flora of North America is still missing several plant families, including Apiaceae, Boraginaceae, and Polemoniaceae.)

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