1. The base of the fruit is sunken into a six-sided calyx tube . 2. It refers to the bowl shaped calyx tubes . 3. It consists of 4 small nuts which often remain locked inside the calyx tube . 4. The calyx tube are minute, approximately between. 5. They are borne in calyx tube . 6. The calyx tube itself is not scarious ( papery and membranous ) at the joints between the lobes. 7. Flowers with the calyx tube are minute, the lobes lanceolate; corolla is between, pentagonal and yellow. 8. The flower tube is 13 mm long, calyx tube , a staminal column protrudes bearing at its summit 30 anthers. 9. Botanically, the leaves are usually in pairs ( opposite ), and the flower petals emerge from the rim of the calyx tube . 10. The fruit is composed of the receptacle or upper end of the flower-stalk ( the so-called calyx tube ) greatly dilated.
