| 21. | It is a deciduous shrub or small tree growing to 7 m tall, with involucre ( husk ).
|
| 22. | A cluster of 3 to 5 flowers blooms in a bell-shaped involucre of five partly fused bracts.
|
| 23. | The inflorescence is a head of flowers borne in a bowl-like involucre of wide, hairy bracts.
|
| 24. | Porsild recognized a subgenus " Trabutiella " distinguished by the presence of longitudinal wings on the involucre.
|
| 25. | The branching inflorescence has bell-shaped involucres each containing three purple-pink flowers about a centimeter wide.
|
| 26. | The term involucre is also used for a highly conspicuous bract or bract pair at the base of an inflorescence.
|
| 27. | They are shrubs reaching 3-5 m tall, with alternate, double-toothed hazel-like involucre.
|
| 28. | Pollinated female flowers develop into small nutlets long fully enclosed in a papery sac-shaped involucre long and wide.
|
| 29. | The wide involucres are green to dark green or brownish-green, with the tips dark gray or purplish.
|
| 30. | Within this involucre is the pink to red flower which is a few millimeters wide and contains nine tiny stamens.
|
