Orobanche fasciculata
 
Clustered Broom-Rape

Stamens

Saskatchewan Landing Provincial Park
24-June-2024

Each flower has four stamens arising from the inner surface of the corolla tube.  The stamens are didynamous, with the pair on either side of and closest to the two palatal folds arising more proximally than the other pair.

Fasciculata: Answers to key questions in Budd's Flora and Flora of Alberta leading to this species. 
caudex somewhat woody; NOT [caudex soft]
each branch of caudex bearing a few or several flowers; NOT [each branch of caudex bearing a single flower]
flowers borne on long pedicels; NOT [flowers sessile or nearly so, in a dense, spike-like cluster at the top of the thick stem]
flowers without bracts; NOT [1 or 2 long bracts beneath each flower]

 

Orobanche: Answers to key questions in Budd's Flora and Flora of Alberta leading to this genus. 
plants glandular puberulent; NOT [plants glabrous throughout]
calyx nearly regular or cleft on both upper and lower sides; NOT [calyx deeply cleft on the lower side only]
lower lip of corolla as long as or longer than the upper; NOT [lower lip of corolla much shorter than the upper]
stamens included; NOT [stamens exserted]
placentae 4; NOT [placentae 2]