Stackhousia Sm.

Herbs, stems striated and sometimes woody. Leaves fleshy or leathery, petals free at base but connate at midpoint. Ovaries connate along central axis Stackhousia
Spikes often long and slender, usually interrupted with flowers in groups of 1–6 along its axis. Corolla greenish-yellow to yellow; lobes narrow
Mature capsules pyriform with prominent round cavity at base, apex muricate. Leaves linear 1–2.5 mm wide. Corolla tube 2–6 mm long. Widespread. Woodland and grassland. Fl. Spring Stackhousia muricata
Mature capsules obovoid, cavity at base if present shallow and not round, apex not muricate. Leaves 1.5–8 mm wide or reduced to scales