UMBILICUS LUTEUS
Common Names:- Yellow navelwort
Homotypic Synonyms:- Cotyledon lutea, Umbilicus erectus, Umbilicus 
vulgaris subsp. erectus. 
Meaning:- Umbilicus (L) Naval, reference to the depession in the leaf surface 
where the stem connects to the underside.  
                  Luteus (L) Yellow, vile, of clay, muddy.                          
                 
General description:- Herbaceous plant.
Stem:- 
1) 20-60 cm, stout, erect, simple.
Leaves:- 
1) Basal, up to 70 mm diam., triangular to round, cordate, blade flat, but with the 
    margin winding strongly inward and outward or having rounded teeth. 
2) Cauline, progressively smaller, with shorter petioles, and dentate.
Flowers:- 
1) Inflorescence, very numerous, more or less erect, in a dense raceme 8-25 cm, 
    sometimes branched at the base; 
2) Peduncles, 1-3 mm. 
3) Bracts, usually narrow-lance-shaped, small, entire or with a tooth on each side. 
    but sometimes broad. leafy, toothed. 
4) Sepals, narrow, parallel-sided to lance-shaped. 
5) Corolla 9-13 mm. tubular, bright or greenish-yellow, drying red-brown;
    a) lobes, narrow-lance-shaped. narrowing gradually to a point, about equalling
        the tube. 
Fruit:-
Key features:-
1) Lobes, of corolla at least as long as the tube
2) Flowers, 9-13 mm.
 
Habitat:- Cliff crevices and ledges. open woodland, rocky outcrops in grassland. 
(200-) 600-1400(-1900) m. on various substrates, but usually limestone. 
Distribution:- Throughout mainland Greece and Peloponnisos. C & E 
Mediterranean region. Rare on Crete currently known only from the Psiloritis and 
Dikti massifs.
Flowering time:- May-July.
Photos by:- Steve Lenton