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HAKEA   Schrad. & J.C.Wendl.

150 species endemic AUST.; all states and territories.

Shrubs or small trees. Leaves alternate, flat or terete. Flowers on short pedicels in axillary clusters. Perianth white to cream or pink; tube almost straight; segments rolled back to one side, usually becoming free. Anthers sessile in the concave tips of the perianth segments. Ovary glabrous, usually stipitate. Style longer than the perianth, curved and protruding from a slit in the perianth before being released; pollen presenter flat or conical, expanded around the stigma. Fruit a woody follicle splitting to the base into two solid valves. Seeds 2, each with a broad wing on one edge.

KEY TO THE SPECIES

1 Leaves flat 2
1 Leaves terete, rigid, pungent pointed 6
2 Leaves with 3 or more prominent longitudinal veins. Fruit smooth or slightly rough, ovate or almost globular, 12–35 mm diam., with a very small straight beak. Flowers numerous in axillary clusters 3
2 Leaves smooth, without prominent veins or with the midvein only distinct. Fruit rough, with prominent tubercles or almost smooth, with a distinct beak. 4
3 Single-stemmed shrub or small tree to 5 m without a lignotuber. Branchlets glabrescent or with pale hairs at flowering. Leaves narrow-elliptic to linear, 4–13 cm long, 5–15 mm wide. Widespread. DSF, WSF. Fl. spring H. dactyloides
 (Gaertn.) Cav.
3 Multistemmed shrub to 3 m with a lignotuber. Branchlets brown-tomentose at flowering. Leaves linear to obovate, 2–13 cm long, 4–30 mm wide. Widespread. Heath. Fl. spring H. laevipes
 Gand. ssp. laevipes
4 Leaves more than 7 mm wide, lanceolate, 8–15 cm long. Small tree or shrub to 5m. Widespread. DSF. Ss. or junctions of Ss. and shales. Fl. spring. H. salicifolia
 (Vent.) B.L.Burtt. ssp. salicifolia
4 Leaves less than 7 mm wide. 5
5 Leaves narrow-lanceolate-oblong, 8–15 cm long. Small tree or shrub to 5 m. Coast and adjacent plateaus. Near creeks in Ss. Fl. spring. H. salicifolia
 ssp. angustifolia (A.A.Ham.) W.R.Barker
5 Leaves linear, 20–40 cm long, 1.8–2.0 mm wide. Shrub to 3 m. Restricted to ridges in Kanangra Boyd Nat. Park. DSF. Endangered H. dohertyi
 Haegi
6 Fruit narrow, acuminate, several times as long as broad, with several angular protuberances below the middle, 2–3 cm long. Leaves 2–5 cm long. Perianth 4–6 mm long, pubescent. Straggling shrub 1–3 m high. 7
6 Fruit ovoid-globular. Flowers glabrous or villous. 8
7 Pedicel and perianth with dense ± appressed silky hairs. Widespread. Wet heath. Ss. Fl. spring-summer H. teretifolia
 (Salisb.) Britten ssp. teretifolia
7 Pedicels and perianth with dense ± raised tomentose hairs. Coast and adjacent plateaus. Wet heath. Ss. H. teretifolia
 ssp. hirsuta (Endl.) R.M.Barker
8 Fruit less than 8 mm diam. when mature, slightly rugose to smooth, with a small protuberance near the top of each valve. Leaves up to 8 cm long. Perianth 4–5 mm long, whitish. Shrub 0.5–1 m high. Higher Blue Mts. Swamps. Fl. spring–summer H. microcarpa
 R.Br.
8 Fruit more than 1.5 cm diam. when mature; rugose, warted 9
9 Young stems and very young leaves hirsute to villous. Perianth 5–6 mm long, white or cream 10
9 Young stems and very young leaves glabrous or very slightly pubescent 11
10 Fruit distinctly beaked, 25–30 mm diam. Leaves 4–8 cm long. Young stems and leaves hirsute. Shrub 1–2 m high. Coast and adjacent plateaus. Heath. Ss. Fl. spring H. gibbosa
 (Sm.) Cav.
10 Fruit not distinctly beaked, c. 40 mm diam., rugose. Leaves 5–10 cm long. Young stems and leaves with a dense villous felt. Shrub up to 8 m high. Blue Mts., Bell to Mt. Wilson. DSF. Ss. Fl. summer H. constablei
 L.A.S.Johnson
11 Perianth 8–10 mm long, pink. Pedicel glabrous. Flowers mostly borne on old stems below the leaves. Fruit 40–50 mm diam., rough, usually contracted into a short beak. Leaves 5–7 cm long. Young stems sparsely pubescent. Bushy shrub up to 2 m high. Coast and adjacent plateau. DSF. Ss. Fl. autumn–winter H. bakeriana
 F.Muell. & Maiden
11 Perianth up to 7 mm long. Flowers borne on young stems amongst the leaves 12
12 Fruit usually less than 20 mm diam. Leaves patent, up to 6 cm long. Perianth 4–7 mm long, white or pinkish. Shrub spreading, up to 3 m high. Lignotuber present. Blue Mts. DSF and heath. Sandy or rocky soils. Fl. winter–spring H. decurrens
 ssp. physocarpa W.R.Barker
12 Fruit 20 mm or more diam. Perianth <5 mm long. Lignotuber absent. 13
13 Fruit 20 mm diam., moderately rough, contracted into a short smooth beak. Perianth tube 2.5 - 5 mm long, white or cream. Leaves 2–6 cm long. Shrub spreading, up to 3 m high. Widespread. DSF and heath. Ss and WS. Fl. spring H. sericea
 Schrad. & J.C.Wendl.
13 Fruit 25 mm diam., rough and often tuberculate, without a beak. Perianth to 2.2 mm long. 14
14 Flowers white. Fruit mostly more than 3.5 mm long. Small compact tree or shrub to 5 m, single stemmed. Coast to lower Blue Mts. DSF, WSF. Fl. winter. H. propinqua
 A.Cunn.
14 Flowers cream to yellow. Fruit mostly less than 3.5 cm long. Shrub compact to 2 m tall, single stemmed. Higher Blue Mts. Ss. Fl. winter-spring. H. pachyphylla
 Sieber ex Spreng.









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