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Class:angiosperms
Order:Saxifragales
Family:Crassulaceae
Genus:Tillaea
Herbar:list records    scans available    photo available    habitat photo available    
open map in a new windowtaxon distribution for Tillaea  acc. to Geobotanical Regions of Mongolia by Grubov (1955)
species: 1
Habit (i)general appearance of a plant
Growth form: (i)Herb, shrub, tree or climber.annual (i)Completing its life cycle within one year or one growing season; roots weak and thin
herb (i)Herbaceous, erect plant, up to 2m high, mostly with a leafy shoot; if perennial, shoots die to the ground each season, shoots are not woody
example: Artemisia pectinata
inherited by family Crassulaceae: herb
Size of plant: (i)Attention: use flowering or fruiting specimens to assess plant height (many biennial plants possess only a basal rosette in the first year). to 100 mm
Parasite status: (i)Is the plant a half- or full parasite?no parasite/saprophyte (i)Plant fully autonomous, leaves with chlorophyll
example: Most plants, Ranunculus
inherited by family Crassulaceae: no parasite/saprophyte
Water or terrestrial plant: (i)Where do the plants grow?terrestrial (i)Plant grows on dry land
example: Orostachys spinosa
inherited by family Crassulaceae: terrestrial
water or swamp plant
plants in swamps, marshes or bogs, leaves rising above water (i)Semiaquatic; plant terrestrial, but restricted to wet or moistured environments with ground water at or near the surface
example: Phragmites communis

Leaf (i)expanded, usually photosynthetic organ of a plant (including phylloclades)
Leaf development: (i)Structure and development of leaves.with green leaves (i)Plant with green leaves inherited by family Crassulaceae: with green leaves
fleshy leaf (i)Leaves more or less thick, juicy, terete or flat
example: Crassulaceae
inherited by family Crassulaceae: fleshy leaf
Leaf arrangement: (i)Arrangement of leaves at the stem.opposite, opposite-decussate (i)Two leaves per node
example: Lamiaceae, e.g. Phlomis

Simple or divided leaves: (i)Are the leaves simple or completely divided in several parts? Blade of the leaf entire or (more or less) deeply dissected. Attention: There are various appearances of the leaf margin (from entire to toothed and lobed). Here, we ignore this and ask only for dissections that separate the leaf for more than one third of its length or width, whatever is smaller. Sometimes, it is difficult to tell apart compound leaves from a shoot system with simple leaves: look for stipulae and/or axillary buds at the ground of the leaves: if only some possess these structures, the others are most likely leaflets of a compound leaf.simple (i)Non-divided leaf, but margin may be incised nearly to the ground inherited by family Crassulaceae: simple
Shape of blade: (i)Easy for simple leaves. In compound leaves use the general shape of leaflet. Always check the ground for largest leaves of a plant. To be worked out: how to handle pinnate leaves?linear incl.grasslike or oblong (i)Leaves more than two times longer than broad with more or less parallel margins; see character: stipule for ligula
example: Dracocephalum ruyschiana, Poaceae, Scutellaria scordifolia, Pinus

Stipule: (i)Leaflets at the base of the petiole, these are smaller and of different shape.none (i)Without stipules
example: Euphorbia, Ericaceae s.l.
inherited by family Crassulaceae: none
Leaf veination: (i)Arrangement of the main veins of a leaf.pinnate (i)One main vein, several side veins, sometimes inconspicuous
example: Cicerbita
inherited by family Crassulaceae: pinnate
Flower (i)reproductive portion of the plant, consisting of sepals, petals, stamens, and pistils
Flower appearance and pollination: (i)General appearance of the flower.attractive, animal-pollinated (i)attractive and coloured flowers, mostly large, attracting surely animals
example: Trollius, Rosa, Chamaerhodos
inherited by family Crassulaceae: attractive, animal-pollinated
Flower colour: (i)Attention: assess colour of the most colourful parts of the flower, but not of the stamens; be aware of single plants with a mutation (mostly white) on flower colour.white (i)Most plants of the population white
example: Pleurospermum, Maianthemum

Perianth arrangement: (i)Attention: in some plants, flowers may be dimorphic in different ways (dioecious or gynodioecious). If flowers vary, record the characters of the most showy flowers.double, different (i)Two types of perianth leaves, differently coloured (sepals: outer periant leaves, usually greenish, and petals: inner perianth leaves, usually coloured)
example: Parnassia
inherited by family Crassulaceae: double, different
Diameter of flower: (i)Diameter of flower or flower head. to 5 mm (i)
example: Aruncus

Flower symmetry: (i)Symmetry of the perianth leaves. Attention: to assess this character, look on sepals, petals and stamens, but neglect carpels and ovary.radiary, regular (actinomorphic) (i)More than two axis of symmetry
example: Saxifraga: 5; Iris: 3
inherited by family Crassulaceae: radiary, regular (actinomorphic)
Flower form: (i)common forms of flowers ? Veronicasimple (flat) - Do not confuse with inflorescences as in some Asteraceae (i)Petals spread out, flower appearing flat
example: Mollugo, Trientalis, Pulsatilla, Saxifraga
inherited by family Crassulaceae: simple (flat) - Do not confuse with inflorescences as in some Asteraceae
Sepal number: (i)Number of sepal leaves (outer perianth leaves, calyx leaves, mostly greenish). Attention, this character applies only for flowers separated in sepals and petals, thus excluding most monocots. Be aware of the bracts (involucral leaves) of Asteraceae flowerheads, do not qualify these as sepals! Be also aware in Rosaceae is often an epicalyx developed, in this case count all parts.4 (i)
example: Sinapis
inherited by family Crassulaceae: 4
Sepal fusion: (i)To which degree are the sepal leaves connected? Attention, this character applies only for flowers separated in sepals and petals, thus excluding most monocots. Be aware of the bracts (involucral leaves) of Asteraceae flowerheads, do not qualify these as sepals!free (i)All leaves separate from each other
example: Geranium
inherited by family Crassulaceae: free
Petal / Tepal number: (i)Number of petal leaves (inner perianth leaves, usually coloured).4 (i)
example: Galium
inherited by family Crassulaceae: 4
Petal / Tepal fusion: (i)To which degree are the petal leaves connected? Petals sympetalous.free (i)all petal leaves separate from each other
example: Anthriscus
inherited by family Crassulaceae: free
Spur: (i)A hollow, slender, sac-like appendage of the perianth leaves, storing nectar.no spur (i)Flower without appendage
example: Peganum
inherited by family Crassulaceae: no spur
Carpel fusion: (i)To which degree are the carpels (modified leaf forming simple pistil or part of a compound pistil) fused.free (i)Carpels entirely free
example: Geum, Aconitum
inherited by family Crassulaceae: free
Ovary position: (i)For entirely or partly fused carpels, describe their position in relation to the insertion point of perianth leaves (best done by doing a longitudinal section of a flower).superior (hypogynous) (i)Base of carpels attached above insertion point of perianth leaves, carpels free or fused
example: Delphinium, Anemone
inherited by family Crassulaceae: superior (hypogynous)
Inflorescence (i)flowering part of a plant, describes the arrangement of the flowers on the flowering axis
Inflorescence: (i)Structure of the inflorescence.Solitary flowers (i)Each flower grows on an own leafy stem there may be more than one, if the plant has many leafy shoots
example: Viola, Saxifraga hirculus, Rubus arcticus

Appearance: (i)Outer look of the inflorescence.axillary (i)Usually several inflorescences in axillary shoots or single flowers in leaf axils, main shoot remains mostly leafy
example: Tragopogon, Aconogonon

Fruit (i)the seed bearing organ, with or without adnate parts; a ripened ovary and any other structures which are attached and ripen with it. Aggregate fruits are handled like simple fruits for determination.
Consistency: (i)Fleshy fruits or dry fruits, see dispersal adaptations for further classification.dry (i)With a dry outer shell, no fleshy parts, but seed (embryo) could be edible inherited by family Crassulaceae: dry
Type of fruit: (i)Common fruit types (including pseudocarp).Solitary fruits (i) inherited by family Crassulaceae: Solitary fruits
follicle (i)A pod arising from a single carpel, opening along a single side (the inner suture to which the seeds are attached) inherited by family Crassulaceae: follicle
Dehiscent fruits (i)Fruits open along a longitudinale line (except silicula) inherited by family Crassulaceae: Dehiscent fruits
Opening of fruit: (i)Mode of dehiscence at maturity to release seeds.opening along dehiscent line (i)Opening along a preformed line
example: Vicia, Lathyrus: pods
inherited by family Crassulaceae: opening along dehiscent line
opening / dehiscent (i)Dry? Fruits opening with different types inherited by family Crassulaceae: opening / dehiscent
Root / shoot below ground (i)plant part below ground (in most cases), including below ground shoots, without leaves
Root type: (i)Organisation of the roots.allorhizous (i)Plant with a conspicuous tap root, one larger tap root with side roots
example: Dicotyledonae
inherited by order Saxifragales: allorhizous