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In a bud or flower bud, the relative arrangement of the sepals or petals of each flower whorl is called vernation. This arrangement must be observed in the flower bud because in the fully open flower the floral parts are often so far separated from each other that the vernation cannot be determined. There are six main types of vernation.
Native to South Africa they grow well in San Francisco, where the image was taken. In my opinion the image has encyclopedic value because it showing the bud in process of transition to become a flower. Proposed caption Nodding Pincushion Protea,Leucospermum 'Veldfire' Flower Bud in process of flowering transition from a bud to a flower
Latent bud – an axillary bud whose development is inhibited, sometimes for many years, due to the influence of apical and other buds. Also known as a dormant bud. Leaf bud – a bud that produces a leafy shoot. Mixed – buds that have both embryonic flowers and leaves. Naked – Pseudoterminal – Reproductive – buds with embryonic flowers ...
The flower buds are mostly arranged in leaf axils on a branched peduncle 1–9 mm (0.039–0.354 in) long, each branch with three buds on pedicels 1–5 mm (0.039–0.197 in) long. Mature buds are pear-shaped, 5–7 mm (0.20–0.28 in) long and 4–5 mm (0.16–0.20 in) wide with a rounded operculum. Flowering occurs between September and ...
The hybrid perpetual has cup-shaped flowers with a brilliant crimson colour and up to 50 petals, situated on long stiff stems.The buds are thick and globular and open to strongly scented, hybrid tea-like flowers with a diameter of 11 cm. [2] They appear in flushes over a long period, but according to the RHS Encyclopedia of Roses, only sparingly.
The purple flower bud is spherical or longitudinally oval and tapered at the apical point. It sits on a 2 to 3 cm long stalk. The sepals measure 0.6 to 1.2 cm in length. The dark red to purple corolla measures up to approx. 5 cm in diameter and is bell-shaped. The corolla tube is densely hairy on the inside.
The floral calyx is imbricate in bud, deeply four-parted, very downy, and orange brown within. Two or three bractlets appear at base. Two or three bractlets appear at base. The fruit is a hard woody capsule 10–14 mm (0.39–0.55 in) long, which splits explosively at the apex at maturity one year after pollination, ejecting the two shiny black ...
From April to September, in the upper axils, 7.5 cm (3 in)–wide umbels of orange, yellow or red flowers 1.5 cm (1 ⁄ 2 in) wide appear. They each have five petals and five sepals. [ 4 ] It is uncertain if reddish flowers are due to soil mineral content, ecotype genetic differentiation, or both.