This section is from the book "British Wild Flowers - In Their Natural Haunts Vol5-6", by A. R. Horwood. Also available from Amazon: A British Wild Flowers In Their Natural Haunts.
This plant is found in seven vice-counties, but is as a whole doubtful. The plant resembles P. fennica, Bab. = P. pinna-tifida, Ehrh., having oblong, lance-shaped leaves, bluntly lobed, pinnate below. The habitat is shrubberies.
Pyrus cordata, Desv. = Briggsii, Syme. - The habitat of this plant is woods and hedges. The plant has the tree habit. The leaves are heart-shaped, egg-shaped, with a round base, nearly hairless. The flowers are white. The fruit is very small, pear-shaped or rounded. The plant is 10-22 ft. in height, and flowers from April to June, being a small deciduous tree.
The habitat of this plant is woods, thickets, and hedges. It has the tree habit. The branches bear spines, and are pendulous. The leaves are in groups on the last year's wood. They are alternate, elliptic, oblong, egg-shaped, toothed, sometimes inversely egg-shaped, and narrowed to an acute point, downy below, and lobed when young, then smooth. The leaf-stalk is slender. The flowers are white, in a simple cyme or corymb, the style is distinct, the ovary woolly, the fruit long, pear-shaped, the base inversely conical. The plant is 20-40 ft. in height, flowering from April to May, and is a deciduous shrub or small tree.
The habitat of this plant is woods, hedges, in the south especially. The Wild Service has the tree habit. The branches and young leaves are downy below. The leaves are egg-shaped, heart-shaped, oblong, 6-10-lobed, smooth, the lobes triangular, toothed, the lower lobes larger and spreading, with a long narrow point. The numerous flowers in compound corymbose cymes are white. There are two carpels. The fruit is oval, pear-shaped or nearly-round, and greenish-brown, 2-celled, spotted or dotted, acid. The plant is a small tree, 10-30 ft., flowering in April and May, and is a deciduous tree, attaining a large girth when full-grown.
The habitat of this plant is thickets and hedges. The Medlar has the tree habit. The stem is much-branched, bearing spines when wild. The leaves are lance-shaped, simple, entire, downy below, inversely egg-shaped or oblong, rarely simply or doubly toothed. The flowers are white, on short flower-stalks, solitary. The calyx is downy, the persistent lobes having enlarged, leafy tips. There are 5 styles. The fruit is rounded, large, with a bony endocarp, 5-celled, the cells seeded, with a large flattened area at the top. The plant is a fairly tall tree, flowering in May and June, and is deciduous.