H. altissima

Pale yellow

July to Sept

4-6 ½ ‘ tall stiff erect branched in top ¼  th

2-4’ length, ¾ to 1” wide

Foliaceous lowest 2½ to 4” long

fragrant

Nocturnal

5-9 PM to 5-8 AM

3” diameter

1 ½ to 2 “ ling, perianth 2 ¾ to 4” long

Coarsely fibrous few with slight spindle shaped enlargements

Capsules widest at summit

H. aurantiaca

Orange throat and English red outside no reticulations

3’ high extending well above leaves

Medium coarse strongly distichous stiffly recurving

Born on branched nodes and conspicuous

Sessile or on short pedicels spread of 5” segments stiffly recurved

H. citrina

Pale lemon yellow

Mid summer

45” scapes and much branched at apex up to 64! Coarse branched above with nodes without branches

Coarse vigorous 40” length dark green

fragrant

nocturnal

Compact no spreading rhizomes many main roots slender and some spindle shaped and enlarged diameter

1” in length obovate and indented purplish at apex

H. coreana

Perianth yellow tube yellow green

20-32” apical end branched

5-17” long

¼ to ½ “ wide

Lower bracts lanceolate and 4-12” long, upper bracts ovate

subsessile

Horizontally rugose

1” long ¼ “ wide rugose nervosa apical end emarginate

H. dumortieri

orange  inside and petals and brownish red on back of sepals

Sessile with short pedicles 2-4 flowers compacted into close inflorescence

1” width stiffly ascending and coarse plants stand less 2” tall

Overlapping basal bracts lowest 2” in length and accuminate

Petals 2” long ½ ‘ wide sepals are smaller

Buds tinged with brownish red

Conspicuously enlarged

H. esculenta

See middendorfii

Perianth orange

Erect 25-35” tall

8-13 to ramet 20-33” long ¾-11/4” wide arching papillate

Bracts occur above first branching 1” long

1” long 5-6 and trumpet shaped in two abbreviated branches

Enlarged no tubers

Capsule oblong seed ovoid

H. exaltata

See middendorfii

H. fulva

Reddish orange

Mid season

50” height and branched at top 20-30 flowers

3” and forms dome

day

Coarse widely spreading rhizomes

Sterile if produced 1” length broadly ovate apex truncated and dented

H. Forrestii

H. graminea

H. hakuunensis

See esculanta

orange

34-40” tall branched with 6-12 flowers

20-30” keeled 3/8 to 5/8 wide

Ovate and ½ to 1 ¼ “ long

Tube 7/8 to 1” long, segments 2 ½ to 3” long ½ to 5/8 “ wide

Capsules broadly ellipsoid 1” long ¾ “ in diameter, tip c 3 elevated lobes horizontally roughened

H. lilioasphodelus

H. flava

Uniform lemon chrome

Erect and ascending 3” branching at apex

Abundant green leaf 6” shorter than scape

Very fragrant

Wide open and some extended blooming

H. littorea

H. longituba

H. micrantha

orange

Scapes above foliage branched near tip branches forked 4 flowered

34” long 1¾ “ wide

Ovate bracts long attenuate the lower ones 3” long lanceolate

Tube ¾” long 1/8” thick segments oblanceolate 1 ½” long ¼” wide

H. middendorffii

Uniform orange

Unbranched rather upright and slightly taller than leaves

Dark green 2” and ¾” width

Large bract short and blunt at lower flower

Closely clustered at apex of unbranched scape

3” spread

Compact crown lack spreading rhizomes roots cylindrical fibrous and not fleshy

H. minor  

Chrome yellow color greenish perianth tube outside of sepals tinged with brownish red

Earliest of season in spring is H flava and minor is 10 days latter

Slender an 2’ tall short branching

15-18”  long and narrow leaves weakly ascending and forms mound

Crown compact slender roots cylindrical and not fleshy with numerous fibrous laterals

Narrow elliptic in outline triangular cross section of 1 ½ “ seed 1/8 “ smallest of genus

H. multiflora

Chrome orange perianth tinged green back sepals slightly brownish red

July and August

Slender erect much and finely branched numerous flowers

Ascending and arching 20”

3” spread

No spreading rhizomes crown branches compact fleshy with short enlargements

Capsules les 1” length ovoid or obovoid large seed

H. nana

Resemble a dumortieri

Inner face orange on reverse shaded of reddish brown

Slender bending outward bear one flower! Branched is 2 or more.

15” long longer than scapes and expanded not plicate

Inconspicuous and 2 per scape

3” spread

Some main roots enlarged and fleshy

H. thunbergii

Lemon yellow in color tube and outside sepals tinged in green

midsummer

Numerous and height 45” and well branched

Medium dark green to 30”

3” spread

Enlarged and fleshy

H. vespertina

H. yezoensis