Hypericum maclarenii N. Robson

Shrub 0.75-1 m tall, with branches erect. Stems red, shallowly 4-lined and sometimes ancipitous when young, soon terete; internodes 10-25 mm long, usually shorter than leaves; bark reddish-brown. Leaves petiolate, with petiole 0-5-2 mm long; lamina 25-40 x 7-10 mm, narrowly lanceolate, acute to subacute, margin plane, base cuneate, ± densely glaucous beneath, chartaceous; venation: 3-4 pairs main laterals, branched, the lower sometimes free, the midrib pinnately branched, all branches clearly visible and forming undulating inframarginal vein, with tertiary reticulum almost invisible; laminar glands long (in lower leaves) to short streaks and dots; ventral glands ± sparse. Inflorescence 1-4-flowered, from terminal node, subcorymbiform; pedicels 7-10 mm long; bracts reduced, linear-lanceolate, persistent? Flowers 40-50 mm in diam., stellate; buds narrowly ovoid, apiculate. Sepals 7-11 x 2-5.5 mm, free, open, subequal to unequal, ± outcurved in bud, spreading in fruit, narrowly elliptic, acute to acuminate, with margin entire; midrib clearly visible, veins not prominent; laminar glands linear or ± interrupted, c. 12-14. Petals golden yellow, sometimes tinged red dorsally, spreading, 20-25 x 12-15 mm, 2.5-3 x sepals, obovate-oblanceolate, with apiculus acute to obtuse, lateral, margin entire, eglandular. Stamen fascicles each with c. 50 stamens, longest 13-15 mm long, c. 0.6 x petals; anthers golden yellow. Ovary 7-8 x 3-5.5 mm, ovoid-conic; styles 6-8 mm long, 0.85-1 x ovary, free, outcurved near apex; stigmas narrowly capitate. Capsule 12-15 x 7-8 mm, narrowly ovoid. Seeds dark brown, 1-1.5 mm long, cylindric, carinate, shallowly linear-reticulate to linear-foveolate.