Haplophyllum A. Juss.

2. Haplophyllum A. Juss. View in CoL 2

Perennial herbs, sometimes woody below. Leaves alternate, entire, lanceolate to elliptical or linear, rarely broadly ovate, or 3-sect with lanceolate or linear segments, rarely some leaves with up to 5 segments. Inflorescence cymose, bracteate. Sepals and petals 5. Petals concave, yellow, entire. Stamens 10; fila­ ments free, more or less expanded below and pubescent on the inner surface. Capsule 5-lobed, dehiscent. Styles connate.

1 Ovules 4 in each loculus of the ovary

2 Leaves from the middle of the stem usually 3-sect, the upper

and lower entire; each capsule-segment crowned with a large, ± denticulate appendage 4. coronatum

2 Leavesfrom themiddleofthestem usuallyentire; each capsule-segment crowned with a blunt, tuberculiform appendage (at times dissected into shortly cylindrical tubercles) orwith no obvious appendage

3 Leavesnotreaching theinflorescence,a lengthof stembelow

the inflorescence naked

4 Lower bracts small, not leaf-like 1. linifolium

4 Lower bracts large and leaf-like 5. balcanicum

3 Leavesreaching theinflorescence, theupperoften subverti­ cillate

5 Sepals suborbicular to obtusely deflate, distinctly erose- denticulate 3. thesioides

5 Sepals linear-lanceolate to lanceolate, acute

6 Leaves linear-lanceolate; plant glabrous throughout (except the filaments) 5. balcanicum

6 Leaves lanceolate to oblong-lanceolate; plant crispate- pubescent, to sublanate at least in the inflorescence 2. suaveolens

1 Ovules 2 in each loculus

7 Loculi of theovary, evenwhenvery young,quiteroundedat

the apex, with no conspicuous corniculate or tuberculiform appendage 8. buxbaumii

7 Loculi of the ovary each with a prominent corniculate or tuberculiform appendage at the apex, at least when young

8 Most leaves 3-sect to the base 6. patavinum

8 All leaves simple 7. boissieranum